Home / 102,829.10-154,474.05-98,630.70

Finding the Fourth Proportional to 102,829.10, 154,474.05 and 98,630.70

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Solution

The fourth proportional to 102,829.10, 154,474.05 and 98,630.70 is: 148,167.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,829.10 : 154,474.05 = 98,630.70 : x
  2. Step 2: Convert to fraction form
    102,829.10/154,474.05 = 98,630.70/x
  3. Step 3: Cross multiply
    102,829.10x = 154,474.05 × 98,630.70
  4. Step 4: Simplify right side
    102,829.10x = 15,235,883,683.34
  5. Step 5: Solve for x
    x = 15,235,883,683.34/102,829.10
  6. Step 6: Final answer
    x = 148,167.04

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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.