Home / 145,930.23-218,895.93-40,748.88

Finding the Fourth Proportional to 145,930.23, 218,895.93 and 40,748.88

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Solution

The fourth proportional to 145,930.23, 218,895.93 and 40,748.88 is: 61,123.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,930.23 : 218,895.93 = 40,748.88 : x
  2. Step 2: Convert to fraction form
    145,930.23/218,895.93 = 40,748.88/x
  3. Step 3: Cross multiply
    145,930.23x = 218,895.93 × 40,748.88
  4. Step 4: Simplify right side
    145,930.23x = 8,919,763,984.06
  5. Step 5: Solve for x
    x = 8,919,763,984.06/145,930.23
  6. Step 6: Final answer
    x = 61,123.48

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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.