Home / 130,278.22-179,641.17-84,872.00

Finding the Fourth Proportional to 130,278.22, 179,641.17 and 84,872.00

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Solution

The fourth proportional to 130,278.22, 179,641.17 and 84,872.00 is: 117,030.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,278.22 : 179,641.17 = 84,872.00 : x
  2. Step 2: Convert to fraction form
    130,278.22/179,641.17 = 84,872.00/x
  3. Step 3: Cross multiply
    130,278.22x = 179,641.17 × 84,872.00
  4. Step 4: Simplify right side
    130,278.22x = 15,246,504,482.03
  5. Step 5: Solve for x
    x = 15,246,504,482.03/130,278.22
  6. Step 6: Final answer
    x = 117,030.34

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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.