Home / 109,610.02-151,266.06-61,862.34

Finding the Fourth Proportional to 109,610.02, 151,266.06 and 61,862.34

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Solution

The fourth proportional to 109,610.02, 151,266.06 and 61,862.34 is: 85,372.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,610.02 : 151,266.06 = 61,862.34 : x
  2. Step 2: Convert to fraction form
    109,610.02/151,266.06 = 61,862.34/x
  3. Step 3: Cross multiply
    109,610.02x = 151,266.06 × 61,862.34
  4. Step 4: Simplify right side
    109,610.02x = 9,357,672,434.18
  5. Step 5: Solve for x
    x = 9,357,672,434.18/109,610.02
  6. Step 6: Final answer
    x = 85,372.42

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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.