Home / 102,510.42-153,772.12-43,338.30

Finding the Fourth Proportional to 102,510.42, 153,772.12 and 43,338.30

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Solution

The fourth proportional to 102,510.42, 153,772.12 and 43,338.30 is: 65,010.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,510.42 : 153,772.12 = 43,338.30 : x
  2. Step 2: Convert to fraction form
    102,510.42/153,772.12 = 43,338.30/x
  3. Step 3: Cross multiply
    102,510.42x = 153,772.12 × 43,338.30
  4. Step 4: Simplify right side
    102,510.42x = 6,664,222,268.20
  5. Step 5: Solve for x
    x = 6,664,222,268.20/102,510.42
  6. Step 6: Final answer
    x = 65,010.19

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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.