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Finding the Fourth Proportional to 180,516.82, 249,129.92 and 99,944.34

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Solution

The fourth proportional to 180,516.82, 249,129.92 and 99,944.34 is: 137,932.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,516.82 : 249,129.92 = 99,944.34 : x
  2. Step 2: Convert to fraction form
    180,516.82/249,129.92 = 99,944.34/x
  3. Step 3: Cross multiply
    180,516.82x = 249,129.92 × 99,944.34
  4. Step 4: Simplify right side
    180,516.82x = 24,899,126,636.52
  5. Step 5: Solve for x
    x = 24,899,126,636.52/180,516.82
  6. Step 6: Final answer
    x = 137,932.45

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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.