Home / 147,502.20-221,123.70-88,361.40

Finding the Fourth Proportional to 147,502.20, 221,123.70 and 88,361.40

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Solution

The fourth proportional to 147,502.20, 221,123.70 and 88,361.40 is: 132,464.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,502.20 : 221,123.70 = 88,361.40 : x
  2. Step 2: Convert to fraction form
    147,502.20/221,123.70 = 88,361.40/x
  3. Step 3: Cross multiply
    147,502.20x = 221,123.70 × 88,361.40
  4. Step 4: Simplify right side
    147,502.20x = 19,538,799,705.18
  5. Step 5: Solve for x
    x = 19,538,799,705.18/147,502.20
  6. Step 6: Final answer
    x = 132,464.46

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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.