Home / 142,391.64-213,587.18-58,191.32

Finding the Fourth Proportional to 142,391.64, 213,587.18 and 58,191.32

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Solution

The fourth proportional to 142,391.64, 213,587.18 and 58,191.32 is: 87,286.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,391.64 : 213,587.18 = 58,191.32 : x
  2. Step 2: Convert to fraction form
    142,391.64/213,587.18 = 58,191.32/x
  3. Step 3: Cross multiply
    142,391.64x = 213,587.18 × 58,191.32
  4. Step 4: Simplify right side
    142,391.64x = 12,428,919,939.28
  5. Step 5: Solve for x
    x = 12,428,919,939.28/142,391.64
  6. Step 6: Final answer
    x = 87,286.87

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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.