Home / 145,465.12-218,197.72-45,634.04

Finding the Fourth Proportional to 145,465.12, 218,197.72 and 45,634.04

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Solution

The fourth proportional to 145,465.12, 218,197.72 and 45,634.04 is: 68,451.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,465.12 : 218,197.72 = 45,634.04 : x
  2. Step 2: Convert to fraction form
    145,465.12/218,197.72 = 45,634.04/x
  3. Step 3: Cross multiply
    145,465.12x = 218,197.72 × 45,634.04
  4. Step 4: Simplify right side
    145,465.12x = 9,957,243,482.39
  5. Step 5: Solve for x
    x = 9,957,243,482.39/145,465.12
  6. Step 6: Final answer
    x = 68,451.07

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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.