Home / 127,335.70-175,684.95-76,329.82

Finding the Fourth Proportional to 127,335.70, 175,684.95 and 76,329.82

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Solution

The fourth proportional to 127,335.70, 175,684.95 and 76,329.82 is: 105,312.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,335.70 : 175,684.95 = 76,329.82 : x
  2. Step 2: Convert to fraction form
    127,335.70/175,684.95 = 76,329.82/x
  3. Step 3: Cross multiply
    127,335.70x = 175,684.95 × 76,329.82
  4. Step 4: Simplify right side
    127,335.70x = 13,410,000,887.38
  5. Step 5: Solve for x
    x = 13,410,000,887.38/127,335.70
  6. Step 6: Final answer
    x = 105,312.18

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1.5x scale

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.