Home / 141,743.83-212,508.84-85,570.59

Finding the Fourth Proportional to 141,743.83, 212,508.84 and 85,570.59

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Solution

The fourth proportional to 141,743.83, 212,508.84 and 85,570.59 is: 128,291.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,743.83 : 212,508.84 = 85,570.59 : x
  2. Step 2: Convert to fraction form
    141,743.83/212,508.84 = 85,570.59/x
  3. Step 3: Cross multiply
    141,743.83x = 212,508.84 × 85,570.59
  4. Step 4: Simplify right side
    141,743.83x = 18,184,506,713.82
  5. Step 5: Solve for x
    x = 18,184,506,713.82/141,743.83
  6. Step 6: Final answer
    x = 128,291.34

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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.