Home / 199,468.13-275,264.70-113,427.12

Finding the Fourth Proportional to 199,468.13, 275,264.70 and 113,427.12

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Solution

The fourth proportional to 199,468.13, 275,264.70 and 113,427.12 is: 156,528.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,468.13 : 275,264.70 = 113,427.12 : x
  2. Step 2: Convert to fraction form
    199,468.13/275,264.70 = 113,427.12/x
  3. Step 3: Cross multiply
    199,468.13x = 275,264.70 × 113,427.12
  4. Step 4: Simplify right side
    199,468.13x = 31,222,482,158.66
  5. Step 5: Solve for x
    x = 31,222,482,158.66/199,468.13
  6. Step 6: Final answer
    x = 156,528.68

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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.