Home / 130,700.62-195,165.63-103,744.18

Finding the Fourth Proportional to 130,700.62, 195,165.63 and 103,744.18

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Solution

The fourth proportional to 130,700.62, 195,165.63 and 103,744.18 is: 154,913.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,700.62 : 195,165.63 = 103,744.18 : x
  2. Step 2: Convert to fraction form
    130,700.62/195,165.63 = 103,744.18/x
  3. Step 3: Cross multiply
    130,700.62x = 195,165.63 × 103,744.18
  4. Step 4: Simplify right side
    130,700.62x = 20,247,298,248.53
  5. Step 5: Solve for x
    x = 20,247,298,248.53/130,700.62
  6. Step 6: Final answer
    x = 154,913.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.