Home / 101,650.39-140,278.37-56,329.13

Finding the Fourth Proportional to 101,650.39, 140,278.37 and 56,329.13

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Solution

The fourth proportional to 101,650.39, 140,278.37 and 56,329.13 is: 77,734.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,650.39 : 140,278.37 = 56,329.13 : x
  2. Step 2: Convert to fraction form
    101,650.39/140,278.37 = 56,329.13/x
  3. Step 3: Cross multiply
    101,650.39x = 140,278.37 × 56,329.13
  4. Step 4: Simplify right side
    101,650.39x = 7,901,758,826.42
  5. Step 5: Solve for x
    x = 7,901,758,826.42/101,650.39
  6. Step 6: Final answer
    x = 77,734.66

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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.