Home / 145,950.98-218,927.08-40,769.64

Finding the Fourth Proportional to 145,950.98, 218,927.08 and 40,769.64

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Solution

The fourth proportional to 145,950.98, 218,927.08 and 40,769.64 is: 61,154.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,950.98 : 218,927.08 = 40,769.64 : x
  2. Step 2: Convert to fraction form
    145,950.98/218,927.08 = 40,769.64/x
  3. Step 3: Cross multiply
    145,950.98x = 218,927.08 × 40,769.64
  4. Step 4: Simplify right side
    145,950.98x = 8,925,578,237.85
  5. Step 5: Solve for x
    x = 8,925,578,237.85/145,950.98
  6. Step 6: Final answer
    x = 61,154.63

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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.