Home / 162,791.28-224,646.72-90,191.19

Finding the Fourth Proportional to 162,791.28, 224,646.72 and 90,191.19

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Solution

The fourth proportional to 162,791.28, 224,646.72 and 90,191.19 is: 124,460.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,791.28 : 224,646.72 = 90,191.19 : x
  2. Step 2: Convert to fraction form
    162,791.28/224,646.72 = 90,191.19/x
  3. Step 3: Cross multiply
    162,791.28x = 224,646.72 × 90,191.19
  4. Step 4: Simplify right side
    162,791.28x = 20,261,155,006.40
  5. Step 5: Solve for x
    x = 20,261,155,006.40/162,791.28
  6. Step 6: Final answer
    x = 124,460.94

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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.