Home / 239,378.18-359,110.23-99,147.62

Finding the Fourth Proportional to 239,378.18, 359,110.23 and 99,147.62

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Solution

The fourth proportional to 239,378.18, 359,110.23 and 99,147.62 is: 148,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,378.18 : 359,110.23 = 99,147.62 : x
  2. Step 2: Convert to fraction form
    239,378.18/359,110.23 = 99,147.62/x
  3. Step 3: Cross multiply
    239,378.18x = 359,110.23 × 99,147.62
  4. Step 4: Simplify right side
    239,378.18x = 35,604,924,622.15
  5. Step 5: Solve for x
    x = 35,604,924,622.15/239,378.18
  6. Step 6: Final answer
    x = 148,739.22

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1.5x scale

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.