Home / 145,407.20-218,110.84-45,567.38

Finding the Fourth Proportional to 145,407.20, 218,110.84 and 45,567.38

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Solution

The fourth proportional to 145,407.20, 218,110.84 and 45,567.38 is: 68,351.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,407.20 : 218,110.84 = 45,567.38 : x
  2. Step 2: Convert to fraction form
    145,407.20/218,110.84 = 45,567.38/x
  3. Step 3: Cross multiply
    145,407.20x = 218,110.84 × 45,567.38
  4. Step 4: Simplify right side
    145,407.20x = 9,938,739,959.76
  5. Step 5: Solve for x
    x = 9,938,739,959.76/145,407.20
  6. Step 6: Final answer
    x = 68,351.09

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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.