Home / 140,430.72-193,794.21-75,899.88

Finding the Fourth Proportional to 140,430.72, 193,794.21 and 75,899.88

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Solution

The fourth proportional to 140,430.72, 193,794.21 and 75,899.88 is: 104,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,430.72 : 193,794.21 = 75,899.88 : x
  2. Step 2: Convert to fraction form
    140,430.72/193,794.21 = 75,899.88/x
  3. Step 3: Cross multiply
    140,430.72x = 193,794.21 × 75,899.88
  4. Step 4: Simplify right side
    140,430.72x = 14,708,957,283.69
  5. Step 5: Solve for x
    x = 14,708,957,283.69/140,430.72
  6. Step 6: Final answer
    x = 104,741.74

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1.5x scale

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.