Home / 78,675.48-118,000.94-43,154.24

Finding the Fourth Proportional to 78,675.48, 118,000.94 and 43,154.24

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Solution

The fourth proportional to 78,675.48, 118,000.94 and 43,154.24 is: 64,724.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,675.48 : 118,000.94 = 43,154.24 : x
  2. Step 2: Convert to fraction form
    78,675.48/118,000.94 = 43,154.24/x
  3. Step 3: Cross multiply
    78,675.48x = 118,000.94 × 43,154.24
  4. Step 4: Simplify right side
    78,675.48x = 5,092,240,079.21
  5. Step 5: Solve for x
    x = 5,092,240,079.21/78,675.48
  6. Step 6: Final answer
    x = 64,724.61

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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.