Home / 130,326.56-195,353.04-55,429.28

Finding the Fourth Proportional to 130,326.56, 195,353.04 and 55,429.28

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Solution

The fourth proportional to 130,326.56, 195,353.04 and 55,429.28 is: 83,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,326.56 : 195,353.04 = 55,429.28 : x
  2. Step 2: Convert to fraction form
    130,326.56/195,353.04 = 55,429.28/x
  3. Step 3: Cross multiply
    130,326.56x = 195,353.04 × 55,429.28
  4. Step 4: Simplify right side
    130,326.56x = 10,828,278,353.01
  5. Step 5: Solve for x
    x = 10,828,278,353.01/130,326.56
  6. Step 6: Final answer
    x = 83,085.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.