Home / 145,419.00-218,133.35-40,229.16

Finding the Fourth Proportional to 145,419.00, 218,133.35 and 40,229.16

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Solution

The fourth proportional to 145,419.00, 218,133.35 and 40,229.16 is: 60,345.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,419.00 : 218,133.35 = 40,229.16 : x
  2. Step 2: Convert to fraction form
    145,419.00/218,133.35 = 40,229.16/x
  3. Step 3: Cross multiply
    145,419.00x = 218,133.35 × 40,229.16
  4. Step 4: Simplify right side
    145,419.00x = 8,775,320,347.82
  5. Step 5: Solve for x
    x = 8,775,320,347.82/145,419.00
  6. Step 6: Final answer
    x = 60,345.08

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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.