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Finding the Fourth Proportional to 173,482, 239,405.16 and 93,994

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Solution

The fourth proportional to 173,482, 239,405.16 and 93,994 is: 129,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,482 : 239,405.16 = 93,994 : x
  2. Step 2: Convert to fraction form
    173,482/239,405.16 = 93,994/x
  3. Step 3: Cross multiply
    173,482x = 239,405.16 × 93,994
  4. Step 4: Simplify right side
    173,482x = 22,502,648,609.04
  5. Step 5: Solve for x
    x = 22,502,648,609.04/173,482
  6. Step 6: Final answer
    x = 129,711.72

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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.