Home / 127,831.42-176,407.95-74,148.22

Finding the Fourth Proportional to 127,831.42, 176,407.95 and 74,148.22

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Solution

The fourth proportional to 127,831.42, 176,407.95 and 74,148.22 is: 102,324.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,831.42 : 176,407.95 = 74,148.22 : x
  2. Step 2: Convert to fraction form
    127,831.42/176,407.95 = 74,148.22/x
  3. Step 3: Cross multiply
    127,831.42x = 176,407.95 × 74,148.22
  4. Step 4: Simplify right side
    127,831.42x = 13,080,335,486.35
  5. Step 5: Solve for x
    x = 13,080,335,486.35/127,831.42
  6. Step 6: Final answer
    x = 102,324.89

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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.