Home / 152,988.45-211,063.59-88,445.81

Finding the Fourth Proportional to 152,988.45, 211,063.59 and 88,445.81

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Solution

The fourth proportional to 152,988.45, 211,063.59 and 88,445.81 is: 122,020.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,988.45 : 211,063.59 = 88,445.81 : x
  2. Step 2: Convert to fraction form
    152,988.45/211,063.59 = 88,445.81/x
  3. Step 3: Cross multiply
    152,988.45x = 211,063.59 × 88,445.81
  4. Step 4: Simplify right side
    152,988.45x = 18,667,690,179.06
  5. Step 5: Solve for x
    x = 18,667,690,179.06/152,988.45
  6. Step 6: Final answer
    x = 122,020.26

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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.