Home / 131,797.15-181,880.93-71,367.80

Finding the Fourth Proportional to 131,797.15, 181,880.93 and 71,367.80

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Solution

The fourth proportional to 131,797.15, 181,880.93 and 71,367.80 is: 98,488.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,797.15 : 181,880.93 = 71,367.80 : x
  2. Step 2: Convert to fraction form
    131,797.15/181,880.93 = 71,367.80/x
  3. Step 3: Cross multiply
    131,797.15x = 181,880.93 × 71,367.80
  4. Step 4: Simplify right side
    131,797.15x = 12,980,440,569.81
  5. Step 5: Solve for x
    x = 12,980,440,569.81/131,797.15
  6. Step 6: Final answer
    x = 98,488.02

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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.