Home / 135,569.40-203,354.10-88,330.20

Finding the Fourth Proportional to 135,569.40, 203,354.10 and 88,330.20

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Solution

The fourth proportional to 135,569.40, 203,354.10 and 88,330.20 is: 132,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,569.40 : 203,354.10 = 88,330.20 : x
  2. Step 2: Convert to fraction form
    135,569.40/203,354.10 = 88,330.20/x
  3. Step 3: Cross multiply
    135,569.40x = 203,354.10 × 88,330.20
  4. Step 4: Simplify right side
    135,569.40x = 17,962,308,323.82
  5. Step 5: Solve for x
    x = 17,962,308,323.82/135,569.40
  6. Step 6: Final answer
    x = 132,495.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.