Home / 117,549.60-162,220.38-66,560.98

Finding the Fourth Proportional to 117,549.60, 162,220.38 and 66,560.98

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Solution

The fourth proportional to 117,549.60, 162,220.38 and 66,560.98 is: 91,855.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,549.60 : 162,220.38 = 66,560.98 : x
  2. Step 2: Convert to fraction form
    117,549.60/162,220.38 = 66,560.98/x
  3. Step 3: Cross multiply
    117,549.60x = 162,220.38 × 66,560.98
  4. Step 4: Simplify right side
    117,549.60x = 10,797,547,468.77
  5. Step 5: Solve for x
    x = 10,797,547,468.77/117,549.60
  6. Step 6: Final answer
    x = 91,855.25

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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.