Home / 90,799.86-125,307.84-75,667.17

Finding the Fourth Proportional to 90,799.86, 125,307.84 and 75,667.17

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Solution

The fourth proportional to 90,799.86, 125,307.84 and 75,667.17 is: 104,424.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,799.86 : 125,307.84 = 75,667.17 : x
  2. Step 2: Convert to fraction form
    90,799.86/125,307.84 = 75,667.17/x
  3. Step 3: Cross multiply
    90,799.86x = 125,307.84 × 75,667.17
  4. Step 4: Simplify right side
    90,799.86x = 9,481,689,631.61
  5. Step 5: Solve for x
    x = 9,481,689,631.61/90,799.86
  6. Step 6: Final answer
    x = 104,424.06

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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.