Home / 108,861.32-150,237.30-61,117.80

Finding the Fourth Proportional to 108,861.32, 150,237.30 and 61,117.80

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Solution

The fourth proportional to 108,861.32, 150,237.30 and 61,117.80 is: 84,347.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,861.32 : 150,237.30 = 61,117.80 : x
  2. Step 2: Convert to fraction form
    108,861.32/150,237.30 = 61,117.80/x
  3. Step 3: Cross multiply
    108,861.32x = 150,237.30 × 61,117.80
  4. Step 4: Simplify right side
    108,861.32x = 9,182,173,253.94
  5. Step 5: Solve for x
    x = 9,182,173,253.94/108,861.32
  6. Step 6: Final answer
    x = 84,347.44

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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.