Home / 158,496.26-218,721.38-86,874.74

Finding the Fourth Proportional to 158,496.26, 218,721.38 and 86,874.74

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Solution

The fourth proportional to 158,496.26, 218,721.38 and 86,874.74 is: 119,885.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,496.26 : 218,721.38 = 86,874.74 : x
  2. Step 2: Convert to fraction form
    158,496.26/218,721.38 = 86,874.74/x
  3. Step 3: Cross multiply
    158,496.26x = 218,721.38 × 86,874.74
  4. Step 4: Simplify right side
    158,496.26x = 19,001,362,143.52
  5. Step 5: Solve for x
    x = 19,001,362,143.52/158,496.26
  6. Step 6: Final answer
    x = 119,885.24

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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.