Home / 145,855.50-218,820.18-40,674.47

Finding the Fourth Proportional to 145,855.50, 218,820.18 and 40,674.47

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Solution

The fourth proportional to 145,855.50, 218,820.18 and 40,674.47 is: 61,022.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,855.50 : 218,820.18 = 40,674.47 : x
  2. Step 2: Convert to fraction form
    145,855.50/218,820.18 = 40,674.47/x
  3. Step 3: Cross multiply
    145,855.50x = 218,820.18 × 40,674.47
  4. Step 4: Simplify right side
    145,855.50x = 8,900,393,752.70
  5. Step 5: Solve for x
    x = 8,900,393,752.70/145,855.50
  6. Step 6: Final answer
    x = 61,022.00

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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.