Home / 130,322.56-195,347.04-55,425.28

Finding the Fourth Proportional to 130,322.56, 195,347.04 and 55,425.28

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Solution

The fourth proportional to 130,322.56, 195,347.04 and 55,425.28 is: 83,079.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,322.56 : 195,347.04 = 55,425.28 : x
  2. Step 2: Convert to fraction form
    130,322.56/195,347.04 = 55,425.28/x
  3. Step 3: Cross multiply
    130,322.56x = 195,347.04 × 55,425.28
  4. Step 4: Simplify right side
    130,322.56x = 10,827,164,389.17
  5. Step 5: Solve for x
    x = 10,827,164,389.17/130,322.56
  6. Step 6: Final answer
    x = 83,079.74

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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.