Home / 131,812.04-181,913.64-75,231.92

Finding the Fourth Proportional to 131,812.04, 181,913.64 and 75,231.92

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Solution

The fourth proportional to 131,812.04, 181,913.64 and 75,231.92 is: 103,827.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,812.04 : 181,913.64 = 75,231.92 : x
  2. Step 2: Convert to fraction form
    131,812.04/181,913.64 = 75,231.92/x
  3. Step 3: Cross multiply
    131,812.04x = 181,913.64 × 75,231.92
  4. Step 4: Simplify right side
    131,812.04x = 13,685,712,411.39
  5. Step 5: Solve for x
    x = 13,685,712,411.39/131,812.04
  6. Step 6: Final answer
    x = 103,827.48

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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.