Home / 185,531.31-256,011.59-103,864.02

Finding the Fourth Proportional to 185,531.31, 256,011.59 and 103,864.02

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Solution

The fourth proportional to 185,531.31, 256,011.59 and 103,864.02 is: 143,320.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,531.31 : 256,011.59 = 103,864.02 : x
  2. Step 2: Convert to fraction form
    185,531.31/256,011.59 = 103,864.02/x
  3. Step 3: Cross multiply
    185,531.31x = 256,011.59 × 103,864.02
  4. Step 4: Simplify right side
    185,531.31x = 26,590,393,059.44
  5. Step 5: Solve for x
    x = 26,590,393,059.44/185,531.31
  6. Step 6: Final answer
    x = 143,320.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.