Home / 107,094.78-147,788.28-61,772.85

Finding the Fourth Proportional to 107,094.78, 147,788.28 and 61,772.85

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Solution

The fourth proportional to 107,094.78, 147,788.28 and 61,772.85 is: 85,245.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,094.78 : 147,788.28 = 61,772.85 : x
  2. Step 2: Convert to fraction form
    107,094.78/147,788.28 = 61,772.85/x
  3. Step 3: Cross multiply
    107,094.78x = 147,788.28 × 61,772.85
  4. Step 4: Simplify right side
    107,094.78x = 9,129,303,252.20
  5. Step 5: Solve for x
    x = 9,129,303,252.20/107,094.78
  6. Step 6: Final answer
    x = 85,245.08

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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.