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Finding the Fourth Proportional to 173,637.28, 260,106.48 and 131,589.28

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Solution

The fourth proportional to 173,637.28, 260,106.48 and 131,589.28 is: 197,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,637.28 : 260,106.48 = 131,589.28 : x
  2. Step 2: Convert to fraction form
    173,637.28/260,106.48 = 131,589.28/x
  3. Step 3: Cross multiply
    173,637.28x = 260,106.48 × 131,589.28
  4. Step 4: Simplify right side
    173,637.28x = 34,227,224,426.53
  5. Step 5: Solve for x
    x = 34,227,224,426.53/173,637.28
  6. Step 6: Final answer
    x = 197,119.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.