Home / 98,220.27-147,330.29-31,670.27

Finding the Fourth Proportional to 98,220.27, 147,330.29 and 31,670.27

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Solution

The fourth proportional to 98,220.27, 147,330.29 and 31,670.27 is: 47,505.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,220.27 : 147,330.29 = 31,670.27 : x
  2. Step 2: Convert to fraction form
    98,220.27/147,330.29 = 31,670.27/x
  3. Step 3: Cross multiply
    98,220.27x = 147,330.29 × 31,670.27
  4. Step 4: Simplify right side
    98,220.27x = 4,665,989,168.48
  5. Step 5: Solve for x
    x = 4,665,989,168.48/98,220.27
  6. Step 6: Final answer
    x = 47,505.36

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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.