Home / 145,945.13-218,926.35-40,764.11

Finding the Fourth Proportional to 145,945.13, 218,926.35 and 40,764.11

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Solution

The fourth proportional to 145,945.13, 218,926.35 and 40,764.11 is: 61,148.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,945.13 : 218,926.35 = 40,764.11 : x
  2. Step 2: Convert to fraction form
    145,945.13/218,926.35 = 40,764.11/x
  3. Step 3: Cross multiply
    145,945.13x = 218,926.35 × 40,764.11
  4. Step 4: Simplify right side
    145,945.13x = 8,924,336,718.67
  5. Step 5: Solve for x
    x = 8,924,336,718.67/145,945.13
  6. Step 6: Final answer
    x = 61,148.58

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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.