Home / 98,946.76-136,426.24-68,757.16

Finding the Fourth Proportional to 98,946.76, 136,426.24 and 68,757.16

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Solution

The fourth proportional to 98,946.76, 136,426.24 and 68,757.16 is: 94,801.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,946.76 : 136,426.24 = 68,757.16 : x
  2. Step 2: Convert to fraction form
    98,946.76/136,426.24 = 68,757.16/x
  3. Step 3: Cross multiply
    98,946.76x = 136,426.24 × 68,757.16
  4. Step 4: Simplify right side
    98,946.76x = 9,380,280,811.88
  5. Step 5: Solve for x
    x = 9,380,280,811.88/98,946.76
  6. Step 6: Final answer
    x = 94,801.29

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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.