Home / 142,399.28-213,599.12-58,159.44

Finding the Fourth Proportional to 142,399.28, 213,599.12 and 58,159.44

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Solution

The fourth proportional to 142,399.28, 213,599.12 and 58,159.44 is: 87,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,399.28 : 213,599.12 = 58,159.44 : x
  2. Step 2: Convert to fraction form
    142,399.28/213,599.12 = 58,159.44/x
  3. Step 3: Cross multiply
    142,399.28x = 213,599.12 × 58,159.44
  4. Step 4: Simplify right side
    142,399.28x = 12,422,804,912.90
  5. Step 5: Solve for x
    x = 12,422,804,912.90/142,399.28
  6. Step 6: Final answer
    x = 87,239.24

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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.