Home / 98,478.96-136,014.12-71,741.04

Finding the Fourth Proportional to 98,478.96, 136,014.12 and 71,741.04

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Solution

The fourth proportional to 98,478.96, 136,014.12 and 71,741.04 is: 99,085.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,478.96 : 136,014.12 = 71,741.04 : x
  2. Step 2: Convert to fraction form
    98,478.96/136,014.12 = 71,741.04/x
  3. Step 3: Cross multiply
    98,478.96x = 136,014.12 × 71,741.04
  4. Step 4: Simplify right side
    98,478.96x = 9,757,794,423.48
  5. Step 5: Solve for x
    x = 9,757,794,423.48/98,478.96
  6. Step 6: Final answer
    x = 99,085.07

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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.