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Finding the Fourth Proportional to 132,988.16, 199,482.24 and 57,070.24

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Solution

The fourth proportional to 132,988.16, 199,482.24 and 57,070.24 is: 85,605.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,988.16 : 199,482.24 = 57,070.24 : x
  2. Step 2: Convert to fraction form
    132,988.16/199,482.24 = 57,070.24/x
  3. Step 3: Cross multiply
    132,988.16x = 199,482.24 × 57,070.24
  4. Step 4: Simplify right side
    132,988.16x = 11,384,499,312.54
  5. Step 5: Solve for x
    x = 11,384,499,312.54/132,988.16
  6. Step 6: Final answer
    x = 85,605.36

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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.