Home / 99,832.51-137,767.80-54,510.35

Finding the Fourth Proportional to 99,832.51, 137,767.80 and 54,510.35

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Solution

The fourth proportional to 99,832.51, 137,767.80 and 54,510.35 is: 75,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,832.51 : 137,767.80 = 54,510.35 : x
  2. Step 2: Convert to fraction form
    99,832.51/137,767.80 = 54,510.35/x
  3. Step 3: Cross multiply
    99,832.51x = 137,767.80 × 54,510.35
  4. Step 4: Simplify right side
    99,832.51x = 7,509,770,996.73
  5. Step 5: Solve for x
    x = 7,509,770,996.73/99,832.51
  6. Step 6: Final answer
    x = 75,223.70

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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.