Home / 141,518.74-212,376.53-91,474.71

Finding the Fourth Proportional to 141,518.74, 212,376.53 and 91,474.71

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Solution

The fourth proportional to 141,518.74, 212,376.53 and 91,474.71 is: 137,275.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,518.74 : 212,376.53 = 91,474.71 : x
  2. Step 2: Convert to fraction form
    141,518.74/212,376.53 = 91,474.71/x
  3. Step 3: Cross multiply
    141,518.74x = 212,376.53 × 91,474.71
  4. Step 4: Simplify right side
    141,518.74x = 19,427,081,035.18
  5. Step 5: Solve for x
    x = 19,427,081,035.18/141,518.74
  6. Step 6: Final answer
    x = 137,275.68

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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.