Home / 151,987.56-209,746.98-84,923.88

Finding the Fourth Proportional to 151,987.56, 209,746.98 and 84,923.88

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Solution

The fourth proportional to 151,987.56, 209,746.98 and 84,923.88 is: 117,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,987.56 : 209,746.98 = 84,923.88 : x
  2. Step 2: Convert to fraction form
    151,987.56/209,746.98 = 84,923.88/x
  3. Step 3: Cross multiply
    151,987.56x = 209,746.98 × 84,923.88
  4. Step 4: Simplify right side
    151,987.56x = 17,812,527,359.88
  5. Step 5: Solve for x
    x = 17,812,527,359.88/151,987.56
  6. Step 6: Final answer
    x = 117,197.27

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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.