Home / 130,256.61-195,242.37-67,080.56

Finding the Fourth Proportional to 130,256.61, 195,242.37 and 67,080.56

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Solution

The fourth proportional to 130,256.61, 195,242.37 and 67,080.56 is: 100,547.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,256.61 : 195,242.37 = 67,080.56 : x
  2. Step 2: Convert to fraction form
    130,256.61/195,242.37 = 67,080.56/x
  3. Step 3: Cross multiply
    130,256.61x = 195,242.37 × 67,080.56
  4. Step 4: Simplify right side
    130,256.61x = 13,096,966,853.56
  5. Step 5: Solve for x
    x = 13,096,966,853.56/130,256.61
  6. Step 6: Final answer
    x = 100,547.43

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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.