Home / 180,649.18-249,309.93-100,084.15

Finding the Fourth Proportional to 180,649.18, 249,309.93 and 100,084.15

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Solution

The fourth proportional to 180,649.18, 249,309.93 and 100,084.15 is: 138,123.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,649.18 : 249,309.93 = 100,084.15 : x
  2. Step 2: Convert to fraction form
    180,649.18/249,309.93 = 100,084.15/x
  3. Step 3: Cross multiply
    180,649.18x = 249,309.93 × 100,084.15
  4. Step 4: Simplify right side
    180,649.18x = 24,951,972,430.61
  5. Step 5: Solve for x
    x = 24,951,972,430.61/180,649.18
  6. Step 6: Final answer
    x = 138,123.92

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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.