Home / 162,385.40-224,090.48-89,790.17

Finding the Fourth Proportional to 162,385.40, 224,090.48 and 89,790.17

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Solution

The fourth proportional to 162,385.40, 224,090.48 and 89,790.17 is: 123,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,385.40 : 224,090.48 = 89,790.17 : x
  2. Step 2: Convert to fraction form
    162,385.40/224,090.48 = 89,790.17/x
  3. Step 3: Cross multiply
    162,385.40x = 224,090.48 × 89,790.17
  4. Step 4: Simplify right side
    162,385.40x = 20,121,120,725.18
  5. Step 5: Solve for x
    x = 20,121,120,725.18/162,385.40
  6. Step 6: Final answer
    x = 123,909.66

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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.