Home / 108,715.41-150,043.67-66,298.55

Finding the Fourth Proportional to 108,715.41, 150,043.67 and 66,298.55

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Solution

The fourth proportional to 108,715.41, 150,043.67 and 66,298.55 is: 91,501.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,715.41 : 150,043.67 = 66,298.55 : x
  2. Step 2: Convert to fraction form
    108,715.41/150,043.67 = 66,298.55/x
  3. Step 3: Cross multiply
    108,715.41x = 150,043.67 × 66,298.55
  4. Step 4: Simplify right side
    108,715.41x = 9,947,676,675.97
  5. Step 5: Solve for x
    x = 9,947,676,675.97/108,715.41
  6. Step 6: Final answer
    x = 91,501.99

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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.