Home / 98,123.34-147,214.57-30,652.65

Finding the Fourth Proportional to 98,123.34, 147,214.57 and 30,652.65

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Solution

The fourth proportional to 98,123.34, 147,214.57 and 30,652.65 is: 45,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,123.34 : 147,214.57 = 30,652.65 : x
  2. Step 2: Convert to fraction form
    98,123.34/147,214.57 = 30,652.65/x
  3. Step 3: Cross multiply
    98,123.34x = 147,214.57 × 30,652.65
  4. Step 4: Simplify right side
    98,123.34x = 4,512,516,112.78
  5. Step 5: Solve for x
    x = 4,512,516,112.78/98,123.34
  6. Step 6: Final answer
    x = 45,988.20

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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.