Home / 342,749.88-514,158.30-118,080.18

Finding the Fourth Proportional to 342,749.88, 514,158.30 and 118,080.18

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Solution

The fourth proportional to 342,749.88, 514,158.30 and 118,080.18 is: 177,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,749.88 : 514,158.30 = 118,080.18 : x
  2. Step 2: Convert to fraction form
    342,749.88/514,158.30 = 118,080.18/x
  3. Step 3: Cross multiply
    342,749.88x = 514,158.30 × 118,080.18
  4. Step 4: Simplify right side
    342,749.88x = 60,711,904,612.49
  5. Step 5: Solve for x
    x = 60,711,904,612.49/342,749.88
  6. Step 6: Final answer
    x = 177,131.80

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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.