Home / 98,068.23-135,169.70-75,090.15

Finding the Fourth Proportional to 98,068.23, 135,169.70 and 75,090.15

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Solution

The fourth proportional to 98,068.23, 135,169.70 and 75,090.15 is: 103,498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,068.23 : 135,169.70 = 75,090.15 : x
  2. Step 2: Convert to fraction form
    98,068.23/135,169.70 = 75,090.15/x
  3. Step 3: Cross multiply
    98,068.23x = 135,169.70 × 75,090.15
  4. Step 4: Simplify right side
    98,068.23x = 10,149,912,673.00
  5. Step 5: Solve for x
    x = 10,149,912,673.00/98,068.23
  6. Step 6: Final answer
    x = 103,498.48

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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.