Home / 141,531.71-212,292.09-52,785.07

Finding the Fourth Proportional to 141,531.71, 212,292.09 and 52,785.07

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Solution

The fourth proportional to 141,531.71, 212,292.09 and 52,785.07 is: 79,175.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,531.71 : 212,292.09 = 52,785.07 : x
  2. Step 2: Convert to fraction form
    141,531.71/212,292.09 = 52,785.07/x
  3. Step 3: Cross multiply
    141,531.71x = 212,292.09 × 52,785.07
  4. Step 4: Simplify right side
    141,531.71x = 11,205,852,300.37
  5. Step 5: Solve for x
    x = 11,205,852,300.37/141,531.71
  6. Step 6: Final answer
    x = 79,175.56

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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.