Home / 125,298-172,909.35-67,935.69

Finding the Fourth Proportional to 125,298, 172,909.35 and 67,935.69

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Solution

The fourth proportional to 125,298, 172,909.35 and 67,935.69 is: 93,750.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,298 : 172,909.35 = 67,935.69 : x
  2. Step 2: Convert to fraction form
    125,298/172,909.35 = 67,935.69/x
  3. Step 3: Cross multiply
    125,298x = 172,909.35 × 67,935.69
  4. Step 4: Simplify right side
    125,298x = 11,746,715,999.70
  5. Step 5: Solve for x
    x = 11,746,715,999.70/125,298
  6. Step 6: Final answer
    x = 93,750.23

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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.