Home / 102,433.78-141,347.20-62,157.34

Finding the Fourth Proportional to 102,433.78, 141,347.20 and 62,157.34

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Solution

The fourth proportional to 102,433.78, 141,347.20 and 62,157.34 is: 85,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,433.78 : 141,347.20 = 62,157.34 : x
  2. Step 2: Convert to fraction form
    102,433.78/141,347.20 = 62,157.34/x
  3. Step 3: Cross multiply
    102,433.78x = 141,347.20 × 62,157.34
  4. Step 4: Simplify right side
    102,433.78x = 8,785,765,968.45
  5. Step 5: Solve for x
    x = 8,785,765,968.45/102,433.78
  6. Step 6: Final answer
    x = 85,770.20

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1.5x scale

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.