Home / 131,423.28-181,364.07-70,993.92

Finding the Fourth Proportional to 131,423.28, 181,364.07 and 70,993.92

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Solution

The fourth proportional to 131,423.28, 181,364.07 and 70,993.92 is: 97,971.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,423.28 : 181,364.07 = 70,993.92 : x
  2. Step 2: Convert to fraction form
    131,423.28/181,364.07 = 70,993.92/x
  3. Step 3: Cross multiply
    131,423.28x = 181,364.07 × 70,993.92
  4. Step 4: Simplify right side
    131,423.28x = 12,875,746,276.45
  5. Step 5: Solve for x
    x = 12,875,746,276.45/131,423.28
  6. Step 6: Final answer
    x = 97,971.58

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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.