Home / 103,964.80-155,870.40-41,603.20

Finding the Fourth Proportional to 103,964.80, 155,870.40 and 41,603.20

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Solution

The fourth proportional to 103,964.80, 155,870.40 and 41,603.20 is: 62,374.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,964.80 : 155,870.40 = 41,603.20 : x
  2. Step 2: Convert to fraction form
    103,964.80/155,870.40 = 41,603.20/x
  3. Step 3: Cross multiply
    103,964.80x = 155,870.40 × 41,603.20
  4. Step 4: Simplify right side
    103,964.80x = 6,484,707,425.28
  5. Step 5: Solve for x
    x = 6,484,707,425.28/103,964.80
  6. Step 6: Final answer
    x = 62,374.07

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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.