Home / 254,548.18-351,280.84-139,831.66

Finding the Fourth Proportional to 254,548.18, 351,280.84 and 139,831.66

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Solution

The fourth proportional to 254,548.18, 351,280.84 and 139,831.66 is: 192,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,548.18 : 351,280.84 = 139,831.66 : x
  2. Step 2: Convert to fraction form
    254,548.18/351,280.84 = 139,831.66/x
  3. Step 3: Cross multiply
    254,548.18x = 351,280.84 × 139,831.66
  4. Step 4: Simplify right side
    254,548.18x = 49,120,182,983.39
  5. Step 5: Solve for x
    x = 49,120,182,983.39/254,548.18
  6. Step 6: Final answer
    x = 192,970.08

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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.