Home / 172,690.16-238,319.75-96,209.19

Finding the Fourth Proportional to 172,690.16, 238,319.75 and 96,209.19

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Solution

The fourth proportional to 172,690.16, 238,319.75 and 96,209.19 is: 132,772.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,690.16 : 238,319.75 = 96,209.19 : x
  2. Step 2: Convert to fraction form
    172,690.16/238,319.75 = 96,209.19/x
  3. Step 3: Cross multiply
    172,690.16x = 238,319.75 × 96,209.19
  4. Step 4: Simplify right side
    172,690.16x = 22,928,550,349.03
  5. Step 5: Solve for x
    x = 22,928,550,349.03/172,690.16
  6. Step 6: Final answer
    x = 132,772.77

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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.