Home / 158,241.02-218,372.88-86,625.42

Finding the Fourth Proportional to 158,241.02, 218,372.88 and 86,625.42

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Solution

The fourth proportional to 158,241.02, 218,372.88 and 86,625.42 is: 119,543.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,241.02 : 218,372.88 = 86,625.42 : x
  2. Step 2: Convert to fraction form
    158,241.02/218,372.88 = 86,625.42/x
  3. Step 3: Cross multiply
    158,241.02x = 218,372.88 × 86,625.42
  4. Step 4: Simplify right side
    158,241.02x = 18,916,642,446.61
  5. Step 5: Solve for x
    x = 18,916,642,446.61/158,241.02
  6. Step 6: Final answer
    x = 119,543.23

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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.