Home / 127,520.60-191,353.80-48,691.40

Finding the Fourth Proportional to 127,520.60, 191,353.80 and 48,691.40

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Solution

The fourth proportional to 127,520.60, 191,353.80 and 48,691.40 is: 73,064.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,520.60 : 191,353.80 = 48,691.40 : x
  2. Step 2: Convert to fraction form
    127,520.60/191,353.80 = 48,691.40/x
  3. Step 3: Cross multiply
    127,520.60x = 191,353.80 × 48,691.40
  4. Step 4: Simplify right side
    127,520.60x = 9,317,284,417.32
  5. Step 5: Solve for x
    x = 9,317,284,417.32/127,520.60
  6. Step 6: Final answer
    x = 73,064.94

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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.