Home / 144,985.60-217,132.80-88,998.40

Finding the Fourth Proportional to 144,985.60, 217,132.80 and 88,998.40

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Solution

The fourth proportional to 144,985.60, 217,132.80 and 88,998.40 is: 133,285.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,985.60 : 217,132.80 = 88,998.40 : x
  2. Step 2: Convert to fraction form
    144,985.60/217,132.80 = 88,998.40/x
  3. Step 3: Cross multiply
    144,985.60x = 217,132.80 × 88,998.40
  4. Step 4: Simplify right side
    144,985.60x = 19,324,471,787.52
  5. Step 5: Solve for x
    x = 19,324,471,787.52/144,985.60
  6. Step 6: Final answer
    x = 133,285.46

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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.