Home / 158,584.02-218,848.98-86,959.80

Finding the Fourth Proportional to 158,584.02, 218,848.98 and 86,959.80

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Solution

The fourth proportional to 158,584.02, 218,848.98 and 86,959.80 is: 120,006.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,584.02 : 218,848.98 = 86,959.80 : x
  2. Step 2: Convert to fraction form
    158,584.02/218,848.98 = 86,959.80/x
  3. Step 3: Cross multiply
    158,584.02x = 218,848.98 × 86,959.80
  4. Step 4: Simplify right side
    158,584.02x = 19,031,063,531.00
  5. Step 5: Solve for x
    x = 19,031,063,531.00/158,584.02
  6. Step 6: Final answer
    x = 120,006.19

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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.