Home / 99,341.51-137,092.91-54,020.39

Finding the Fourth Proportional to 99,341.51, 137,092.91 and 54,020.39

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Solution

The fourth proportional to 99,341.51, 137,092.91 and 54,020.39 is: 74,549.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,341.51 : 137,092.91 = 54,020.39 : x
  2. Step 2: Convert to fraction form
    99,341.51/137,092.91 = 54,020.39/x
  3. Step 3: Cross multiply
    99,341.51x = 137,092.91 × 54,020.39
  4. Step 4: Simplify right side
    99,341.51x = 7,405,811,508.87
  5. Step 5: Solve for x
    x = 7,405,811,508.87/99,341.51
  6. Step 6: Final answer
    x = 74,549.02

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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.