Home / 125,056.50-172,594.44-71,329.20

Finding the Fourth Proportional to 125,056.50, 172,594.44 and 71,329.20

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Solution

The fourth proportional to 125,056.50, 172,594.44 and 71,329.20 is: 98,443.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,056.50 : 172,594.44 = 71,329.20 : x
  2. Step 2: Convert to fraction form
    125,056.50/172,594.44 = 71,329.20/x
  3. Step 3: Cross multiply
    125,056.50x = 172,594.44 × 71,329.20
  4. Step 4: Simplify right side
    125,056.50x = 12,311,023,329.65
  5. Step 5: Solve for x
    x = 12,311,023,329.65/125,056.50
  6. Step 6: Final answer
    x = 98,443.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.