Home / 101,748.29-140,421.53-59,305.91

Finding the Fourth Proportional to 101,748.29, 140,421.53 and 59,305.91

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Solution

The fourth proportional to 101,748.29, 140,421.53 and 59,305.91 is: 81,847.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,748.29 : 140,421.53 = 59,305.91 : x
  2. Step 2: Convert to fraction form
    101,748.29/140,421.53 = 59,305.91/x
  3. Step 3: Cross multiply
    101,748.29x = 140,421.53 × 59,305.91
  4. Step 4: Simplify right side
    101,748.29x = 8,327,826,674.77
  5. Step 5: Solve for x
    x = 8,327,826,674.77/101,748.29
  6. Step 6: Final answer
    x = 81,847.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.