Home / 99,926.88-137,897.36-54,603.72

Finding the Fourth Proportional to 99,926.88, 137,897.36 and 54,603.72

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Solution

The fourth proportional to 99,926.88, 137,897.36 and 54,603.72 is: 75,352.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,926.88 : 137,897.36 = 54,603.72 : x
  2. Step 2: Convert to fraction form
    99,926.88/137,897.36 = 54,603.72/x
  3. Step 3: Cross multiply
    99,926.88x = 137,897.36 × 54,603.72
  4. Step 4: Simplify right side
    99,926.88x = 7,529,708,834.18
  5. Step 5: Solve for x
    x = 7,529,708,834.18/99,926.88
  6. Step 6: Final answer
    x = 75,352.19

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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.