Home / 141,303.47-212,135.06-91,591.59

Finding the Fourth Proportional to 141,303.47, 212,135.06 and 91,591.59

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Solution

The fourth proportional to 141,303.47, 212,135.06 and 91,591.59 is: 137,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,303.47 : 212,135.06 = 91,591.59 : x
  2. Step 2: Convert to fraction form
    141,303.47/212,135.06 = 91,591.59/x
  3. Step 3: Cross multiply
    141,303.47x = 212,135.06 × 91,591.59
  4. Step 4: Simplify right side
    141,303.47x = 19,429,787,440.15
  5. Step 5: Solve for x
    x = 19,429,787,440.15/141,303.47
  6. Step 6: Final answer
    x = 137,503.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.