Home / 158,562.75-218,823.21-86,945.52

Finding the Fourth Proportional to 158,562.75, 218,823.21 and 86,945.52

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Solution

The fourth proportional to 158,562.75, 218,823.21 and 86,945.52 is: 119,988.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,562.75 : 218,823.21 = 86,945.52 : x
  2. Step 2: Convert to fraction form
    158,562.75/218,823.21 = 86,945.52/x
  3. Step 3: Cross multiply
    158,562.75x = 218,823.21 × 86,945.52
  4. Step 4: Simplify right side
    158,562.75x = 19,025,697,781.52
  5. Step 5: Solve for x
    x = 19,025,697,781.52/158,562.75
  6. Step 6: Final answer
    x = 119,988.44

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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.