Home / 141,741.15-212,619.48-57,488.79

Finding the Fourth Proportional to 141,741.15, 212,619.48 and 57,488.79

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Solution

The fourth proportional to 141,741.15, 212,619.48 and 57,488.79 is: 86,236.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,741.15 : 212,619.48 = 57,488.79 : x
  2. Step 2: Convert to fraction form
    141,741.15/212,619.48 = 57,488.79/x
  3. Step 3: Cross multiply
    141,741.15x = 212,619.48 × 57,488.79
  4. Step 4: Simplify right side
    141,741.15x = 12,223,236,635.63
  5. Step 5: Solve for x
    x = 12,223,236,635.63/141,741.15
  6. Step 6: Final answer
    x = 86,236.33

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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.