Home / 145,825.04-218,755.80-57,067.08

Finding the Fourth Proportional to 145,825.04, 218,755.80 and 57,067.08

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Solution

The fourth proportional to 145,825.04, 218,755.80 and 57,067.08 is: 85,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,825.04 : 218,755.80 = 57,067.08 : x
  2. Step 2: Convert to fraction form
    145,825.04/218,755.80 = 57,067.08/x
  3. Step 3: Cross multiply
    145,825.04x = 218,755.80 × 57,067.08
  4. Step 4: Simplify right side
    145,825.04x = 12,483,754,739.06
  5. Step 5: Solve for x
    x = 12,483,754,739.06/145,825.04
  6. Step 6: Final answer
    x = 85,607.76

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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.