Home / 127,947.80-176,510.86-74,201.66

Finding the Fourth Proportional to 127,947.80, 176,510.86 and 74,201.66

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Solution

The fourth proportional to 127,947.80, 176,510.86 and 74,201.66 is: 102,365.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,947.80 : 176,510.86 = 74,201.66 : x
  2. Step 2: Convert to fraction form
    127,947.80/176,510.86 = 74,201.66/x
  3. Step 3: Cross multiply
    127,947.80x = 176,510.86 × 74,201.66
  4. Step 4: Simplify right side
    127,947.80x = 13,097,398,820.03
  5. Step 5: Solve for x
    x = 13,097,398,820.03/127,947.80
  6. Step 6: Final answer
    x = 102,365.17

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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.