Home / 131,870.04-181,993.68-75,289.92

Finding the Fourth Proportional to 131,870.04, 181,993.68 and 75,289.92

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Solution

The fourth proportional to 131,870.04, 181,993.68 and 75,289.92 is: 103,907.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,870.04 : 181,993.68 = 75,289.92 : x
  2. Step 2: Convert to fraction form
    131,870.04/181,993.68 = 75,289.92/x
  3. Step 3: Cross multiply
    131,870.04x = 181,993.68 × 75,289.92
  4. Step 4: Simplify right side
    131,870.04x = 13,702,289,607.71
  5. Step 5: Solve for x
    x = 13,702,289,607.71/131,870.04
  6. Step 6: Final answer
    x = 103,907.53

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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.