Home / 121,747.08-168,017.46-68,033.40

Finding the Fourth Proportional to 121,747.08, 168,017.46 and 68,033.40

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Solution

The fourth proportional to 121,747.08, 168,017.46 and 68,033.40 is: 93,889.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,747.08 : 168,017.46 = 68,033.40 : x
  2. Step 2: Convert to fraction form
    121,747.08/168,017.46 = 68,033.40/x
  3. Step 3: Cross multiply
    121,747.08x = 168,017.46 × 68,033.40
  4. Step 4: Simplify right side
    121,747.08x = 11,430,799,063.16
  5. Step 5: Solve for x
    x = 11,430,799,063.16/121,747.08
  6. Step 6: Final answer
    x = 93,889.72

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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.