Home / 162,721.38-224,563.95-91,097.13

Finding the Fourth Proportional to 162,721.38, 224,563.95 and 91,097.13

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Solution

The fourth proportional to 162,721.38, 224,563.95 and 91,097.13 is: 125,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,721.38 : 224,563.95 = 91,097.13 : x
  2. Step 2: Convert to fraction form
    162,721.38/224,563.95 = 91,097.13/x
  3. Step 3: Cross multiply
    162,721.38x = 224,563.95 × 91,097.13
  4. Step 4: Simplify right side
    162,721.38x = 20,457,131,346.46
  5. Step 5: Solve for x
    x = 20,457,131,346.46/162,721.38
  6. Step 6: Final answer
    x = 125,718.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.