Home / 109,567.76-151,201.62-61,167.15

Finding the Fourth Proportional to 109,567.76, 151,201.62 and 61,167.15

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Solution

The fourth proportional to 109,567.76, 151,201.62 and 61,167.15 is: 84,409.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,567.76 : 151,201.62 = 61,167.15 : x
  2. Step 2: Convert to fraction form
    109,567.76/151,201.62 = 61,167.15/x
  3. Step 3: Cross multiply
    109,567.76x = 151,201.62 × 61,167.15
  4. Step 4: Simplify right side
    109,567.76x = 9,248,572,170.78
  5. Step 5: Solve for x
    x = 9,248,572,170.78/109,567.76
  6. Step 6: Final answer
    x = 84,409.62

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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.