Home / 99,146.18-136,771.04-63,298.52

Finding the Fourth Proportional to 99,146.18, 136,771.04 and 63,298.52

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Solution

The fourth proportional to 99,146.18, 136,771.04 and 63,298.52 is: 87,319.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,146.18 : 136,771.04 = 63,298.52 : x
  2. Step 2: Convert to fraction form
    99,146.18/136,771.04 = 63,298.52/x
  3. Step 3: Cross multiply
    99,146.18x = 136,771.04 × 63,298.52
  4. Step 4: Simplify right side
    99,146.18x = 8,657,404,398.14
  5. Step 5: Solve for x
    x = 8,657,404,398.14/99,146.18
  6. Step 6: Final answer
    x = 87,319.59

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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.