Home / 127,541.34-175,959.51-79,776.54

Finding the Fourth Proportional to 127,541.34, 175,959.51 and 79,776.54

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Solution

The fourth proportional to 127,541.34, 175,959.51 and 79,776.54 is: 110,061.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,541.34 : 175,959.51 = 79,776.54 : x
  2. Step 2: Convert to fraction form
    127,541.34/175,959.51 = 79,776.54/x
  3. Step 3: Cross multiply
    127,541.34x = 175,959.51 × 79,776.54
  4. Step 4: Simplify right side
    127,541.34x = 14,037,440,887.90
  5. Step 5: Solve for x
    x = 14,037,440,887.90/127,541.34
  6. Step 6: Final answer
    x = 110,061.89

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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.