Home / 125,427.09-173,089.45-71,713.16

Finding the Fourth Proportional to 125,427.09, 173,089.45 and 71,713.16

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Solution

The fourth proportional to 125,427.09, 173,089.45 and 71,713.16 is: 98,964.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,427.09 : 173,089.45 = 71,713.16 : x
  2. Step 2: Convert to fraction form
    125,427.09/173,089.45 = 71,713.16/x
  3. Step 3: Cross multiply
    125,427.09x = 173,089.45 × 71,713.16
  4. Step 4: Simplify right side
    125,427.09x = 12,412,791,422.16
  5. Step 5: Solve for x
    x = 12,412,791,422.16/125,427.09
  6. Step 6: Final answer
    x = 98,964.20

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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.