Home / 122,146.74-168,567.34-68,432.20

Finding the Fourth Proportional to 122,146.74, 168,567.34 and 68,432.20

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Solution

The fourth proportional to 122,146.74, 168,567.34 and 68,432.20 is: 94,439.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,146.74 : 168,567.34 = 68,432.20 : x
  2. Step 2: Convert to fraction form
    122,146.74/168,567.34 = 68,432.20/x
  3. Step 3: Cross multiply
    122,146.74x = 168,567.34 × 68,432.20
  4. Step 4: Simplify right side
    122,146.74x = 11,535,433,924.35
  5. Step 5: Solve for x
    x = 11,535,433,924.35/122,146.74
  6. Step 6: Final answer
    x = 94,439.15

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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.