Home / 127,428.58-175,851.56-70,068.86

Finding the Fourth Proportional to 127,428.58, 175,851.56 and 70,068.86

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Solution

The fourth proportional to 127,428.58, 175,851.56 and 70,068.86 is: 96,695.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,428.58 : 175,851.56 = 70,068.86 : x
  2. Step 2: Convert to fraction form
    127,428.58/175,851.56 = 70,068.86/x
  3. Step 3: Cross multiply
    127,428.58x = 175,851.56 × 70,068.86
  4. Step 4: Simplify right side
    127,428.58x = 12,321,718,338.42
  5. Step 5: Solve for x
    x = 12,321,718,338.42/127,428.58
  6. Step 6: Final answer
    x = 96,695.09

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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.