Home / 162,979.29-224,900.10-90,386.01

Finding the Fourth Proportional to 162,979.29, 224,900.10 and 90,386.01

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Solution

The fourth proportional to 162,979.29, 224,900.10 and 90,386.01 is: 124,726.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,979.29 : 224,900.10 = 90,386.01 : x
  2. Step 2: Convert to fraction form
    162,979.29/224,900.10 = 90,386.01/x
  3. Step 3: Cross multiply
    162,979.29x = 224,900.10 × 90,386.01
  4. Step 4: Simplify right side
    162,979.29x = 20,327,822,687.60
  5. Step 5: Solve for x
    x = 20,327,822,687.60/162,979.29
  6. Step 6: Final answer
    x = 124,726.42

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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.