Home / 109,060.47-163,423.85-73,389.69

Finding the Fourth Proportional to 109,060.47, 163,423.85 and 73,389.69

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Solution

The fourth proportional to 109,060.47, 163,423.85 and 73,389.69 is: 109,972.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,060.47 : 163,423.85 = 73,389.69 : x
  2. Step 2: Convert to fraction form
    109,060.47/163,423.85 = 73,389.69/x
  3. Step 3: Cross multiply
    109,060.47x = 163,423.85 × 73,389.69
  4. Step 4: Simplify right side
    109,060.47x = 11,993,625,323.16
  5. Step 5: Solve for x
    x = 11,993,625,323.16/109,060.47
  6. Step 6: Final answer
    x = 109,972.25

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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.