Home / 254,454.12-351,147.02-139,740.18

Finding the Fourth Proportional to 254,454.12, 351,147.02 and 139,740.18

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Solution

The fourth proportional to 254,454.12, 351,147.02 and 139,740.18 is: 192,841.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,454.12 : 351,147.02 = 139,740.18 : x
  2. Step 2: Convert to fraction form
    254,454.12/351,147.02 = 139,740.18/x
  3. Step 3: Cross multiply
    254,454.12x = 351,147.02 × 139,740.18
  4. Step 4: Simplify right side
    254,454.12x = 49,069,347,082.56
  5. Step 5: Solve for x
    x = 49,069,347,082.56/254,454.12
  6. Step 6: Final answer
    x = 192,841.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.