Home / 99,918.36-137,883.18-54,595.32

Finding the Fourth Proportional to 99,918.36, 137,883.18 and 54,595.32

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Solution

The fourth proportional to 99,918.36, 137,883.18 and 54,595.32 is: 75,339.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,918.36 : 137,883.18 = 54,595.32 : x
  2. Step 2: Convert to fraction form
    99,918.36/137,883.18 = 54,595.32/x
  3. Step 3: Cross multiply
    99,918.36x = 137,883.18 × 54,595.32
  4. Step 4: Simplify right side
    99,918.36x = 7,527,776,334.72
  5. Step 5: Solve for x
    x = 7,527,776,334.72/99,918.36
  6. Step 6: Final answer
    x = 75,339.27

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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.