Home / 162,766.61-243,953.08-83,837.78

Finding the Fourth Proportional to 162,766.61, 243,953.08 and 83,837.78

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Solution

The fourth proportional to 162,766.61, 243,953.08 and 83,837.78 is: 125,655.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,766.61 : 243,953.08 = 83,837.78 : x
  2. Step 2: Convert to fraction form
    162,766.61/243,953.08 = 83,837.78/x
  3. Step 3: Cross multiply
    162,766.61x = 243,953.08 × 83,837.78
  4. Step 4: Simplify right side
    162,766.61x = 20,452,483,222.00
  5. Step 5: Solve for x
    x = 20,452,483,222.00/162,766.61
  6. Step 6: Final answer
    x = 125,655.28

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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.