Home / 158,824.32-219,177.80-87,208.91

Finding the Fourth Proportional to 158,824.32, 219,177.80 and 87,208.91

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Solution

The fourth proportional to 158,824.32, 219,177.80 and 87,208.91 is: 120,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,824.32 : 219,177.80 = 87,208.91 : x
  2. Step 2: Convert to fraction form
    158,824.32/219,177.80 = 87,208.91/x
  3. Step 3: Cross multiply
    158,824.32x = 219,177.80 × 87,208.91
  4. Step 4: Simplify right side
    158,824.32x = 19,114,257,034.20
  5. Step 5: Solve for x
    x = 19,114,257,034.20/158,824.32
  6. Step 6: Final answer
    x = 120,348.43

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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.