Home / 108,243.56-149,366.34-60,490.28

Finding the Fourth Proportional to 108,243.56, 149,366.34 and 60,490.28

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Solution

The fourth proportional to 108,243.56, 149,366.34 and 60,490.28 is: 83,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,243.56 : 149,366.34 = 60,490.28 : x
  2. Step 2: Convert to fraction form
    108,243.56/149,366.34 = 60,490.28/x
  3. Step 3: Cross multiply
    108,243.56x = 149,366.34 × 60,490.28
  4. Step 4: Simplify right side
    108,243.56x = 9,035,211,729.18
  5. Step 5: Solve for x
    x = 9,035,211,729.18/108,243.56
  6. Step 6: Final answer
    x = 83,471.13

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1.5x scale

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.