Home / 145,560.52-218,266.92-66,607.09

Finding the Fourth Proportional to 145,560.52, 218,266.92 and 66,607.09

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Solution

The fourth proportional to 145,560.52, 218,266.92 and 66,607.09 is: 99,876.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,560.52 : 218,266.92 = 66,607.09 : x
  2. Step 2: Convert to fraction form
    145,560.52/218,266.92 = 66,607.09/x
  3. Step 3: Cross multiply
    145,560.52x = 218,266.92 × 66,607.09
  4. Step 4: Simplify right side
    145,560.52x = 14,538,124,384.46
  5. Step 5: Solve for x
    x = 14,538,124,384.46/145,560.52
  6. Step 6: Final answer
    x = 99,876.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.