Home / 158,988.27-219,416.03-91,026.57

Finding the Fourth Proportional to 158,988.27, 219,416.03 and 91,026.57

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Solution

The fourth proportional to 158,988.27, 219,416.03 and 91,026.57 is: 125,623.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,988.27 : 219,416.03 = 91,026.57 : x
  2. Step 2: Convert to fraction form
    158,988.27/219,416.03 = 91,026.57/x
  3. Step 3: Cross multiply
    158,988.27x = 219,416.03 × 91,026.57
  4. Step 4: Simplify right side
    158,988.27x = 19,972,688,158.78
  5. Step 5: Solve for x
    x = 19,972,688,158.78/158,988.27
  6. Step 6: Final answer
    x = 125,623.66

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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.