Home / 99,341.64-137,090.70-54,019.65

Finding the Fourth Proportional to 99,341.64, 137,090.70 and 54,019.65

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Solution

The fourth proportional to 99,341.64, 137,090.70 and 54,019.65 is: 74,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,341.64 : 137,090.70 = 54,019.65 : x
  2. Step 2: Convert to fraction form
    99,341.64/137,090.70 = 54,019.65/x
  3. Step 3: Cross multiply
    99,341.64x = 137,090.70 × 54,019.65
  4. Step 4: Simplify right side
    99,341.64x = 7,405,591,632.26
  5. Step 5: Solve for x
    x = 7,405,591,632.26/99,341.64
  6. Step 6: Final answer
    x = 74,546.70

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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.