Home / 142,261.56-213,228.18-53,458.29

Finding the Fourth Proportional to 142,261.56, 213,228.18 and 53,458.29

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Solution

The fourth proportional to 142,261.56, 213,228.18 and 53,458.29 is: 80,125.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,261.56 : 213,228.18 = 53,458.29 : x
  2. Step 2: Convert to fraction form
    142,261.56/213,228.18 = 53,458.29/x
  3. Step 3: Cross multiply
    142,261.56x = 213,228.18 × 53,458.29
  4. Step 4: Simplify right side
    142,261.56x = 11,398,813,882.61
  5. Step 5: Solve for x
    x = 11,398,813,882.61/142,261.56
  6. Step 6: Final answer
    x = 80,125.75

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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.