Home / 127,819.06-176,386.77-71,228.98

Finding the Fourth Proportional to 127,819.06, 176,386.77 and 71,228.98

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Solution

The fourth proportional to 127,819.06, 176,386.77 and 71,228.98 is: 98,294.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,819.06 : 176,386.77 = 71,228.98 : x
  2. Step 2: Convert to fraction form
    127,819.06/176,386.77 = 71,228.98/x
  3. Step 3: Cross multiply
    127,819.06x = 176,386.77 × 71,228.98
  4. Step 4: Simplify right side
    127,819.06x = 12,563,849,712.59
  5. Step 5: Solve for x
    x = 12,563,849,712.59/127,819.06
  6. Step 6: Final answer
    x = 98,294.02

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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.