Home / 109,381.80-150,950.02-61,632.52

Finding the Fourth Proportional to 109,381.80, 150,950.02 and 61,632.52

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Solution

The fourth proportional to 109,381.80, 150,950.02 and 61,632.52 is: 85,054.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,381.80 : 150,950.02 = 61,632.52 : x
  2. Step 2: Convert to fraction form
    109,381.80/150,950.02 = 61,632.52/x
  3. Step 3: Cross multiply
    109,381.80x = 150,950.02 × 61,632.52
  4. Step 4: Simplify right side
    109,381.80x = 9,303,430,126.65
  5. Step 5: Solve for x
    x = 9,303,430,126.65/109,381.80
  6. Step 6: Final answer
    x = 85,054.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.