Home / 140,478.19-193,702.25-89,410.03

Finding the Fourth Proportional to 140,478.19, 193,702.25 and 89,410.03

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Solution

The fourth proportional to 140,478.19, 193,702.25 and 89,410.03 is: 123,285.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,478.19 : 193,702.25 = 89,410.03 : x
  2. Step 2: Convert to fraction form
    140,478.19/193,702.25 = 89,410.03/x
  3. Step 3: Cross multiply
    140,478.19x = 193,702.25 × 89,410.03
  4. Step 4: Simplify right side
    140,478.19x = 17,318,923,345.64
  5. Step 5: Solve for x
    x = 17,318,923,345.64/140,478.19
  6. Step 6: Final answer
    x = 123,285.50

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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.