Home / 124,915.02-187,372.35-31,420.74

Finding the Fourth Proportional to 124,915.02, 187,372.35 and 31,420.74

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Solution

The fourth proportional to 124,915.02, 187,372.35 and 31,420.74 is: 47,131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,915.02 : 187,372.35 = 31,420.74 : x
  2. Step 2: Convert to fraction form
    124,915.02/187,372.35 = 31,420.74/x
  3. Step 3: Cross multiply
    124,915.02x = 187,372.35 × 31,420.74
  4. Step 4: Simplify right side
    124,915.02x = 5,887,377,892.54
  5. Step 5: Solve for x
    x = 5,887,377,892.54/124,915.02
  6. Step 6: Final answer
    x = 47,131.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.