Home / 99,897.32-137,860.98-54,577.22

Finding the Fourth Proportional to 99,897.32, 137,860.98 and 54,577.22

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Solution

The fourth proportional to 99,897.32, 137,860.98 and 54,577.22 is: 75,318.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,897.32 : 137,860.98 = 54,577.22 : x
  2. Step 2: Convert to fraction form
    99,897.32/137,860.98 = 54,577.22/x
  3. Step 3: Cross multiply
    99,897.32x = 137,860.98 × 54,577.22
  4. Step 4: Simplify right side
    99,897.32x = 7,524,069,034.88
  5. Step 5: Solve for x
    x = 7,524,069,034.88/99,897.32
  6. Step 6: Final answer
    x = 75,318.03

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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.