Home / 125,041.28-187,561.11-31,547.12

Finding the Fourth Proportional to 125,041.28, 187,561.11 and 31,547.12

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Solution

The fourth proportional to 125,041.28, 187,561.11 and 31,547.12 is: 47,320.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,041.28 : 187,561.11 = 31,547.12 : x
  2. Step 2: Convert to fraction form
    125,041.28/187,561.11 = 31,547.12/x
  3. Step 3: Cross multiply
    125,041.28x = 187,561.11 × 31,547.12
  4. Step 4: Simplify right side
    125,041.28x = 5,917,012,844.50
  5. Step 5: Solve for x
    x = 5,917,012,844.50/125,041.28
  6. Step 6: Final answer
    x = 47,320.48

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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.