Home / 158,088.94-218,170.72-93,595.20

Finding the Fourth Proportional to 158,088.94, 218,170.72 and 93,595.20

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Solution

The fourth proportional to 158,088.94, 218,170.72 and 93,595.20 is: 129,166.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,088.94 : 218,170.72 = 93,595.20 : x
  2. Step 2: Convert to fraction form
    158,088.94/218,170.72 = 93,595.20/x
  3. Step 3: Cross multiply
    158,088.94x = 218,170.72 × 93,595.20
  4. Step 4: Simplify right side
    158,088.94x = 20,419,732,172.54
  5. Step 5: Solve for x
    x = 20,419,732,172.54/158,088.94
  6. Step 6: Final answer
    x = 129,166.10

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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.