Home / 77,574.29-116,256.33-40,160.64

Finding the Fourth Proportional to 77,574.29, 116,256.33 and 40,160.64

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Solution

The fourth proportional to 77,574.29, 116,256.33 and 40,160.64 is: 60,186.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,574.29 : 116,256.33 = 40,160.64 : x
  2. Step 2: Convert to fraction form
    77,574.29/116,256.33 = 40,160.64/x
  3. Step 3: Cross multiply
    77,574.29x = 116,256.33 × 40,160.64
  4. Step 4: Simplify right side
    77,574.29x = 4,668,929,052.81
  5. Step 5: Solve for x
    x = 4,668,929,052.81/77,574.29
  6. Step 6: Final answer
    x = 60,186.55

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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.