Home / 101,734.12-140,401.42-56,426.36

Finding the Fourth Proportional to 101,734.12, 140,401.42 and 56,426.36

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Solution

The fourth proportional to 101,734.12, 140,401.42 and 56,426.36 is: 77,873.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,734.12 : 140,401.42 = 56,426.36 : x
  2. Step 2: Convert to fraction form
    101,734.12/140,401.42 = 56,426.36/x
  3. Step 3: Cross multiply
    101,734.12x = 140,401.42 × 56,426.36
  4. Step 4: Simplify right side
    101,734.12x = 7,922,341,069.43
  5. Step 5: Solve for x
    x = 7,922,341,069.43/101,734.12
  6. Step 6: Final answer
    x = 77,873.00

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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.