Home / 108,889.18-150,266.55-61,146.70

Finding the Fourth Proportional to 108,889.18, 150,266.55 and 61,146.70

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Solution

The fourth proportional to 108,889.18, 150,266.55 and 61,146.70 is: 84,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889.18 : 150,266.55 = 61,146.70 : x
  2. Step 2: Convert to fraction form
    108,889.18/150,266.55 = 61,146.70/x
  3. Step 3: Cross multiply
    108,889.18x = 150,266.55 × 61,146.70
  4. Step 4: Simplify right side
    108,889.18x = 9,188,303,652.89
  5. Step 5: Solve for x
    x = 9,188,303,652.89/108,889.18
  6. Step 6: Final answer
    x = 84,382.15

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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.