Home / 141,705.30-212,551.80-52,959.57

Finding the Fourth Proportional to 141,705.30, 212,551.80 and 52,959.57

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Solution

The fourth proportional to 141,705.30, 212,551.80 and 52,959.57 is: 79,437.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,705.30 : 212,551.80 = 52,959.57 : x
  2. Step 2: Convert to fraction form
    141,705.30/212,551.80 = 52,959.57/x
  3. Step 3: Cross multiply
    141,705.30x = 212,551.80 × 52,959.57
  4. Step 4: Simplify right side
    141,705.30x = 11,256,652,130.66
  5. Step 5: Solve for x
    x = 11,256,652,130.66/141,705.30
  6. Step 6: Final answer
    x = 79,437.06

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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.