Home / 158,870.57-219,245.18-87,252.12

Finding the Fourth Proportional to 158,870.57, 219,245.18 and 87,252.12

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Solution

The fourth proportional to 158,870.57, 219,245.18 and 87,252.12 is: 120,410.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,870.57 : 219,245.18 = 87,252.12 : x
  2. Step 2: Convert to fraction form
    158,870.57/219,245.18 = 87,252.12/x
  3. Step 3: Cross multiply
    158,870.57x = 219,245.18 × 87,252.12
  4. Step 4: Simplify right side
    158,870.57x = 19,129,606,318.52
  5. Step 5: Solve for x
    x = 19,129,606,318.52/158,870.57
  6. Step 6: Final answer
    x = 120,410.01

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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.