Home / 186,452.10-279,718.65-68,123.25

Finding the Fourth Proportional to 186,452.10, 279,718.65 and 68,123.25

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Solution

The fourth proportional to 186,452.10, 279,718.65 and 68,123.25 is: 102,199.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,452.10 : 279,718.65 = 68,123.25 : x
  2. Step 2: Convert to fraction form
    186,452.10/279,718.65 = 68,123.25/x
  3. Step 3: Cross multiply
    186,452.10x = 279,718.65 × 68,123.25
  4. Step 4: Simplify right side
    186,452.10x = 19,055,343,523.61
  5. Step 5: Solve for x
    x = 19,055,343,523.61/186,452.10
  6. Step 6: Final answer
    x = 102,199.67

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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.