Home / 158,609.24-218,892.33-90,624.75

Finding the Fourth Proportional to 158,609.24, 218,892.33 and 90,624.75

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Solution

The fourth proportional to 158,609.24, 218,892.33 and 90,624.75 is: 125,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,609.24 : 218,892.33 = 90,624.75 : x
  2. Step 2: Convert to fraction form
    158,609.24/218,892.33 = 90,624.75/x
  3. Step 3: Cross multiply
    158,609.24x = 218,892.33 × 90,624.75
  4. Step 4: Simplify right side
    158,609.24x = 19,837,062,683.17
  5. Step 5: Solve for x
    x = 19,837,062,683.17/158,609.24
  6. Step 6: Final answer
    x = 125,068.77

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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.