Home / 151,725.16-209,380.59-84,657.16

Finding the Fourth Proportional to 151,725.16, 209,380.59 and 84,657.16

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Solution

The fourth proportional to 151,725.16, 209,380.59 and 84,657.16 is: 116,826.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,725.16 : 209,380.59 = 84,657.16 : x
  2. Step 2: Convert to fraction form
    151,725.16/209,380.59 = 84,657.16/x
  3. Step 3: Cross multiply
    151,725.16x = 209,380.59 × 84,657.16
  4. Step 4: Simplify right side
    151,725.16x = 17,725,566,108.52
  5. Step 5: Solve for x
    x = 17,725,566,108.52/151,725.16
  6. Step 6: Final answer
    x = 116,826.81

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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.