Home / 127,934.84-176,551.08-71,347.52

Finding the Fourth Proportional to 127,934.84, 176,551.08 and 71,347.52

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Solution

The fourth proportional to 127,934.84, 176,551.08 and 71,347.52 is: 98,460.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,934.84 : 176,551.08 = 71,347.52 : x
  2. Step 2: Convert to fraction form
    127,934.84/176,551.08 = 71,347.52/x
  3. Step 3: Cross multiply
    127,934.84x = 176,551.08 × 71,347.52
  4. Step 4: Simplify right side
    127,934.84x = 12,596,481,711.32
  5. Step 5: Solve for x
    x = 12,596,481,711.32/127,934.84
  6. Step 6: Final answer
    x = 98,460.14

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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.