Home / 145,449.88-218,132.19-56,682.18

Finding the Fourth Proportional to 145,449.88, 218,132.19 and 56,682.18

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Solution

The fourth proportional to 145,449.88, 218,132.19 and 56,682.18 is: 85,006.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,449.88 : 218,132.19 = 56,682.18 : x
  2. Step 2: Convert to fraction form
    145,449.88/218,132.19 = 56,682.18/x
  3. Step 3: Cross multiply
    145,449.88x = 218,132.19 × 56,682.18
  4. Step 4: Simplify right side
    145,449.88x = 12,364,208,057.37
  5. Step 5: Solve for x
    x = 12,364,208,057.37/145,449.88
  6. Step 6: Final answer
    x = 85,006.66

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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.