Home / 145,811.75-218,717.76-40,633.52

Finding the Fourth Proportional to 145,811.75, 218,717.76 and 40,633.52

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Solution

The fourth proportional to 145,811.75, 218,717.76 and 40,633.52 is: 60,950.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,811.75 : 218,717.76 = 40,633.52 : x
  2. Step 2: Convert to fraction form
    145,811.75/218,717.76 = 40,633.52/x
  3. Step 3: Cross multiply
    145,811.75x = 218,717.76 × 40,633.52
  4. Step 4: Simplify right side
    145,811.75x = 8,887,272,475.32
  5. Step 5: Solve for x
    x = 8,887,272,475.32/145,811.75
  6. Step 6: Final answer
    x = 60,950.32

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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.