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Finding the Fourth Proportional to 173,124.70, 259,687.05 and 154,462.30

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Solution

The fourth proportional to 173,124.70, 259,687.05 and 154,462.30 is: 231,693.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,124.70 : 259,687.05 = 154,462.30 : x
  2. Step 2: Convert to fraction form
    173,124.70/259,687.05 = 154,462.30/x
  3. Step 3: Cross multiply
    173,124.70x = 259,687.05 × 154,462.30
  4. Step 4: Simplify right side
    173,124.70x = 40,111,859,023.22
  5. Step 5: Solve for x
    x = 40,111,859,023.22/173,124.70
  6. Step 6: Final answer
    x = 231,693.45

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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.