Home / 171,987.40-257,981.10-165,098.35

Finding the Fourth Proportional to 171,987.40, 257,981.10 and 165,098.35

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Solution

The fourth proportional to 171,987.40, 257,981.10 and 165,098.35 is: 247,647.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,987.40 : 257,981.10 = 165,098.35 : x
  2. Step 2: Convert to fraction form
    171,987.40/257,981.10 = 165,098.35/x
  3. Step 3: Cross multiply
    171,987.40x = 257,981.10 × 165,098.35
  4. Step 4: Simplify right side
    171,987.40x = 42,592,253,941.19
  5. Step 5: Solve for x
    x = 42,592,253,941.19/171,987.40
  6. Step 6: Final answer
    x = 247,647.53

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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.