Home / 99,229.52-136,937.70-53,907.86

Finding the Fourth Proportional to 99,229.52, 136,937.70 and 53,907.86

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Solution

The fourth proportional to 99,229.52, 136,937.70 and 53,907.86 is: 74,393.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,229.52 : 136,937.70 = 53,907.86 : x
  2. Step 2: Convert to fraction form
    99,229.52/136,937.70 = 53,907.86/x
  3. Step 3: Cross multiply
    99,229.52x = 136,937.70 × 53,907.86
  4. Step 4: Simplify right side
    99,229.52x = 7,382,018,702.67
  5. Step 5: Solve for x
    x = 7,382,018,702.67/99,229.52
  6. Step 6: Final answer
    x = 74,393.37

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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.