Home / 158,587.02-218,853.10-86,962.77

Finding the Fourth Proportional to 158,587.02, 218,853.10 and 86,962.77

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Solution

The fourth proportional to 158,587.02, 218,853.10 and 86,962.77 is: 120,010.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,587.02 : 218,853.10 = 86,962.77 : x
  2. Step 2: Convert to fraction form
    158,587.02/218,853.10 = 86,962.77/x
  3. Step 3: Cross multiply
    158,587.02x = 218,853.10 × 86,962.77
  4. Step 4: Simplify right side
    158,587.02x = 19,032,071,799.09
  5. Step 5: Solve for x
    x = 19,032,071,799.09/158,587.02
  6. Step 6: Final answer
    x = 120,010.27

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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.