Home / 130,264.31-179,767.97-72,903.18

Finding the Fourth Proportional to 130,264.31, 179,767.97 and 72,903.18

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Solution

The fourth proportional to 130,264.31, 179,767.97 and 72,903.18 is: 100,608.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,264.31 : 179,767.97 = 72,903.18 : x
  2. Step 2: Convert to fraction form
    130,264.31/179,767.97 = 72,903.18/x
  3. Step 3: Cross multiply
    130,264.31x = 179,767.97 × 72,903.18
  4. Step 4: Simplify right side
    130,264.31x = 13,105,656,675.14
  5. Step 5: Solve for x
    x = 13,105,656,675.14/130,264.31
  6. Step 6: Final answer
    x = 100,608.19

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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.