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Finding the Fourth Proportional to 95,280.40, 142,920.60 and 32,957.20

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Solution

The fourth proportional to 95,280.40, 142,920.60 and 32,957.20 is: 49,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,280.40 : 142,920.60 = 32,957.20 : x
  2. Step 2: Convert to fraction form
    95,280.40/142,920.60 = 32,957.20/x
  3. Step 3: Cross multiply
    95,280.40x = 142,920.60 × 32,957.20
  4. Step 4: Simplify right side
    95,280.40x = 4,710,262,798.32
  5. Step 5: Solve for x
    x = 4,710,262,798.32/95,280.40
  6. Step 6: Final answer
    x = 49,435.80

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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.