Home / 151,677.20-209,356.18-88,035.50

Finding the Fourth Proportional to 151,677.20, 209,356.18 and 88,035.50

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Solution

The fourth proportional to 151,677.20, 209,356.18 and 88,035.50 is: 121,513.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,677.20 : 209,356.18 = 88,035.50 : x
  2. Step 2: Convert to fraction form
    151,677.20/209,356.18 = 88,035.50/x
  3. Step 3: Cross multiply
    151,677.20x = 209,356.18 × 88,035.50
  4. Step 4: Simplify right side
    151,677.20x = 18,430,775,984.39
  5. Step 5: Solve for x
    x = 18,430,775,984.39/151,677.20
  6. Step 6: Final answer
    x = 121,513.16

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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.