Home / 109,333.85-150,877.62-61,586.10

Finding the Fourth Proportional to 109,333.85, 150,877.62 and 61,586.10

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Solution

The fourth proportional to 109,333.85, 150,877.62 and 61,586.10 is: 84,987.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,333.85 : 150,877.62 = 61,586.10 : x
  2. Step 2: Convert to fraction form
    109,333.85/150,877.62 = 61,586.10/x
  3. Step 3: Cross multiply
    109,333.85x = 150,877.62 × 61,586.10
  4. Step 4: Simplify right side
    109,333.85x = 9,291,964,193.08
  5. Step 5: Solve for x
    x = 9,291,964,193.08/109,333.85
  6. Step 6: Final answer
    x = 84,987.08

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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.