Home / 119,307.11-164,642.33-65,591.65

Finding the Fourth Proportional to 119,307.11, 164,642.33 and 65,591.65

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Solution

The fourth proportional to 119,307.11, 164,642.33 and 65,591.65 is: 90,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,307.11 : 164,642.33 = 65,591.65 : x
  2. Step 2: Convert to fraction form
    119,307.11/164,642.33 = 65,591.65/x
  3. Step 3: Cross multiply
    119,307.11x = 164,642.33 × 65,591.65
  4. Step 4: Simplify right side
    119,307.11x = 10,799,161,756.59
  5. Step 5: Solve for x
    x = 10,799,161,756.59/119,307.11
  6. Step 6: Final answer
    x = 90,515.66

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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.