Home / 125,358.28-172,993.40-67,997.45

Finding the Fourth Proportional to 125,358.28, 172,993.40 and 67,997.45

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Solution

The fourth proportional to 125,358.28, 172,993.40 and 67,997.45 is: 93,835.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,358.28 : 172,993.40 = 67,997.45 : x
  2. Step 2: Convert to fraction form
    125,358.28/172,993.40 = 67,997.45/x
  3. Step 3: Cross multiply
    125,358.28x = 172,993.40 × 67,997.45
  4. Step 4: Simplify right side
    125,358.28x = 11,763,110,066.83
  5. Step 5: Solve for x
    x = 11,763,110,066.83/125,358.28
  6. Step 6: Final answer
    x = 93,835.92

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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.