Home / 100,929.60-151,394.40-58,766.40

Finding the Fourth Proportional to 100,929.60, 151,394.40 and 58,766.40

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Solution

The fourth proportional to 100,929.60, 151,394.40 and 58,766.40 is: 88,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,929.60 : 151,394.40 = 58,766.40 : x
  2. Step 2: Convert to fraction form
    100,929.60/151,394.40 = 58,766.40/x
  3. Step 3: Cross multiply
    100,929.60x = 151,394.40 × 58,766.40
  4. Step 4: Simplify right side
    100,929.60x = 8,896,903,868.16
  5. Step 5: Solve for x
    x = 8,896,903,868.16/100,929.60
  6. Step 6: Final answer
    x = 88,149.60

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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.