Home / 123,723.60-185,555.70-34,985.40

Finding the Fourth Proportional to 123,723.60, 185,555.70 and 34,985.40

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Solution

The fourth proportional to 123,723.60, 185,555.70 and 34,985.40 is: 52,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,723.60 : 185,555.70 = 34,985.40 : x
  2. Step 2: Convert to fraction form
    123,723.60/185,555.70 = 34,985.40/x
  3. Step 3: Cross multiply
    123,723.60x = 185,555.70 × 34,985.40
  4. Step 4: Simplify right side
    123,723.60x = 6,491,740,386.78
  5. Step 5: Solve for x
    x = 6,491,740,386.78/123,723.60
  6. Step 6: Final answer
    x = 52,469.70

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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.