Home / 127,933.84-176,549.70-71,346.52

Finding the Fourth Proportional to 127,933.84, 176,549.70 and 71,346.52

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Solution

The fourth proportional to 127,933.84, 176,549.70 and 71,346.52 is: 98,458.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,933.84 : 176,549.70 = 71,346.52 : x
  2. Step 2: Convert to fraction form
    127,933.84/176,549.70 = 71,346.52/x
  3. Step 3: Cross multiply
    127,933.84x = 176,549.70 × 71,346.52
  4. Step 4: Simplify right side
    127,933.84x = 12,596,206,702.04
  5. Step 5: Solve for x
    x = 12,596,206,702.04/127,933.84
  6. Step 6: Final answer
    x = 98,458.76

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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.