Home / 152,971.20-229,232.70-137,176.20

Finding the Fourth Proportional to 152,971.20, 229,232.70 and 137,176.20

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Solution

The fourth proportional to 152,971.20, 229,232.70 and 137,176.20 is: 205,563.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,971.20 : 229,232.70 = 137,176.20 : x
  2. Step 2: Convert to fraction form
    152,971.20/229,232.70 = 137,176.20/x
  3. Step 3: Cross multiply
    152,971.20x = 229,232.70 × 137,176.20
  4. Step 4: Simplify right side
    152,971.20x = 31,445,270,701.74
  5. Step 5: Solve for x
    x = 31,445,270,701.74/152,971.20
  6. Step 6: Final answer
    x = 205,563.34

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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.