Home / 127,714.32-174,969.45-122,925.78

Finding the Fourth Proportional to 127,714.32, 174,969.45 and 122,925.78

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Solution

The fourth proportional to 127,714.32, 174,969.45 and 122,925.78 is: 168,409.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,714.32 : 174,969.45 = 122,925.78 : x
  2. Step 2: Convert to fraction form
    127,714.32/174,969.45 = 122,925.78/x
  3. Step 3: Cross multiply
    127,714.32x = 174,969.45 × 122,925.78
  4. Step 4: Simplify right side
    127,714.32x = 21,508,256,117.42
  5. Step 5: Solve for x
    x = 21,508,256,117.42/127,714.32
  6. Step 6: Final answer
    x = 168,409.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.