Home / 342,127.17-472,116.48-189,156.42

Finding the Fourth Proportional to 342,127.17, 472,116.48 and 189,156.42

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Solution

The fourth proportional to 342,127.17, 472,116.48 and 189,156.42 is: 261,025.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,127.17 : 472,116.48 = 189,156.42 : x
  2. Step 2: Convert to fraction form
    342,127.17/472,116.48 = 189,156.42/x
  3. Step 3: Cross multiply
    342,127.17x = 472,116.48 × 189,156.42
  4. Step 4: Simplify right side
    342,127.17x = 89,303,863,179.80
  5. Step 5: Solve for x
    x = 89,303,863,179.80/342,127.17
  6. Step 6: Final answer
    x = 261,025.35

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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.