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Finding the Fourth Proportional to 181,073.32, 249,869.44 and 100,500.86

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Solution

The fourth proportional to 181,073.32, 249,869.44 and 100,500.86 is: 138,684.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,073.32 : 249,869.44 = 100,500.86 : x
  2. Step 2: Convert to fraction form
    181,073.32/249,869.44 = 100,500.86/x
  3. Step 3: Cross multiply
    181,073.32x = 249,869.44 × 100,500.86
  4. Step 4: Simplify right side
    181,073.32x = 25,112,094,358.02
  5. Step 5: Solve for x
    x = 25,112,094,358.02/181,073.32
  6. Step 6: Final answer
    x = 138,684.68

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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.