Home / 136,470.34-204,734.94-66,389.14

Finding the Fourth Proportional to 136,470.34, 204,734.94 and 66,389.14

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Solution

The fourth proportional to 136,470.34, 204,734.94 and 66,389.14 is: 99,598.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,470.34 : 204,734.94 = 66,389.14 : x
  2. Step 2: Convert to fraction form
    136,470.34/204,734.94 = 66,389.14/x
  3. Step 3: Cross multiply
    136,470.34x = 204,734.94 × 66,389.14
  4. Step 4: Simplify right side
    136,470.34x = 13,592,176,594.55
  5. Step 5: Solve for x
    x = 13,592,176,594.55/136,470.34
  6. Step 6: Final answer
    x = 99,598.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.