Home / 162,387.69-224,094.38-90,767.70

Finding the Fourth Proportional to 162,387.69, 224,094.38 and 90,767.70

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Solution

The fourth proportional to 162,387.69, 224,094.38 and 90,767.70 is: 125,259.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,387.69 : 224,094.38 = 90,767.70 : x
  2. Step 2: Convert to fraction form
    162,387.69/224,094.38 = 90,767.70/x
  3. Step 3: Cross multiply
    162,387.69x = 224,094.38 × 90,767.70
  4. Step 4: Simplify right side
    162,387.69x = 20,340,531,001.69
  5. Step 5: Solve for x
    x = 20,340,531,001.69/162,387.69
  6. Step 6: Final answer
    x = 125,259.07

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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.