Home / 140,932.63-211,117.02-84,741.76

Finding the Fourth Proportional to 140,932.63, 211,117.02 and 84,741.76

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Solution

The fourth proportional to 140,932.63, 211,117.02 and 84,741.76 is: 126,943.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,932.63 : 211,117.02 = 84,741.76 : x
  2. Step 2: Convert to fraction form
    140,932.63/211,117.02 = 84,741.76/x
  3. Step 3: Cross multiply
    140,932.63x = 211,117.02 × 84,741.76
  4. Step 4: Simplify right side
    140,932.63x = 17,890,427,312.96
  5. Step 5: Solve for x
    x = 17,890,427,312.96/140,932.63
  6. Step 6: Final answer
    x = 126,943.12

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1.5x scale

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.