Home / 155,181.31-232,767.36-42,868.28

Finding the Fourth Proportional to 155,181.31, 232,767.36 and 42,868.28

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Solution

The fourth proportional to 155,181.31, 232,767.36 and 42,868.28 is: 64,301.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,181.31 : 232,767.36 = 42,868.28 : x
  2. Step 2: Convert to fraction form
    155,181.31/232,767.36 = 42,868.28/x
  3. Step 3: Cross multiply
    155,181.31x = 232,767.36 × 42,868.28
  4. Step 4: Simplify right side
    155,181.31x = 9,978,336,945.26
  5. Step 5: Solve for x
    x = 9,978,336,945.26/155,181.31
  6. Step 6: Final answer
    x = 64,301.15

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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.