Home / 167,487.20-251,012.10-120,685.40

Finding the Fourth Proportional to 167,487.20, 251,012.10 and 120,685.40

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Solution

The fourth proportional to 167,487.20, 251,012.10 and 120,685.40 is: 180,870.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,487.20 : 251,012.10 = 120,685.40 : x
  2. Step 2: Convert to fraction form
    167,487.20/251,012.10 = 120,685.40/x
  3. Step 3: Cross multiply
    167,487.20x = 251,012.10 × 120,685.40
  4. Step 4: Simplify right side
    167,487.20x = 30,293,495,693.34
  5. Step 5: Solve for x
    x = 30,293,495,693.34/167,487.20
  6. Step 6: Final answer
    x = 180,870.51

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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.