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Finding the Fourth Proportional to 125,633.60, 188,450.40 and 88,308.80

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Solution

The fourth proportional to 125,633.60, 188,450.40 and 88,308.80 is: 132,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,633.60 : 188,450.40 = 88,308.80 : x
  2. Step 2: Convert to fraction form
    125,633.60/188,450.40 = 88,308.80/x
  3. Step 3: Cross multiply
    125,633.60x = 188,450.40 × 88,308.80
  4. Step 4: Simplify right side
    125,633.60x = 16,641,828,683.52
  5. Step 5: Solve for x
    x = 16,641,828,683.52/125,633.60
  6. Step 6: Final answer
    x = 132,463.20

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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.