Home / 158,091.02-218,164.02-86,472.44

Finding the Fourth Proportional to 158,091.02, 218,164.02 and 86,472.44

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Solution

The fourth proportional to 158,091.02, 218,164.02 and 86,472.44 is: 119,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,091.02 : 218,164.02 = 86,472.44 : x
  2. Step 2: Convert to fraction form
    158,091.02/218,164.02 = 86,472.44/x
  3. Step 3: Cross multiply
    158,091.02x = 218,164.02 × 86,472.44
  4. Step 4: Simplify right side
    158,091.02x = 18,865,175,129.61
  5. Step 5: Solve for x
    x = 18,865,175,129.61/158,091.02
  6. Step 6: Final answer
    x = 119,331.10

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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.