Home / 158,870.61-219,245.26-87,252.18

Finding the Fourth Proportional to 158,870.61, 219,245.26 and 87,252.18

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Solution

The fourth proportional to 158,870.61, 219,245.26 and 87,252.18 is: 120,410.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,870.61 : 219,245.26 = 87,252.18 : x
  2. Step 2: Convert to fraction form
    158,870.61/219,245.26 = 87,252.18/x
  3. Step 3: Cross multiply
    158,870.61x = 219,245.26 × 87,252.18
  4. Step 4: Simplify right side
    158,870.61x = 19,129,626,889.67
  5. Step 5: Solve for x
    x = 19,129,626,889.67/158,870.61
  6. Step 6: Final answer
    x = 120,410.11

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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.