Home / 125,150.20-172,706.25-67,788.19

Finding the Fourth Proportional to 125,150.20, 172,706.25 and 67,788.19

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Solution

The fourth proportional to 125,150.20, 172,706.25 and 67,788.19 is: 93,547.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,150.20 : 172,706.25 = 67,788.19 : x
  2. Step 2: Convert to fraction form
    125,150.20/172,706.25 = 67,788.19/x
  3. Step 3: Cross multiply
    125,150.20x = 172,706.25 × 67,788.19
  4. Step 4: Simplify right side
    125,150.20x = 11,707,444,368.62
  5. Step 5: Solve for x
    x = 11,707,444,368.62/125,150.20
  6. Step 6: Final answer
    x = 93,547.15

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1.5x scale

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.