Home / 154,904.60-213,904.67-96,860.81

Finding the Fourth Proportional to 154,904.60, 213,904.67 and 96,860.81

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Solution

The fourth proportional to 154,904.60, 213,904.67 and 96,860.81 is: 133,753.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,904.60 : 213,904.67 = 96,860.81 : x
  2. Step 2: Convert to fraction form
    154,904.60/213,904.67 = 96,860.81/x
  3. Step 3: Cross multiply
    154,904.60x = 213,904.67 × 96,860.81
  4. Step 4: Simplify right side
    154,904.60x = 20,718,979,598.98
  5. Step 5: Solve for x
    x = 20,718,979,598.98/154,904.60
  6. Step 6: Final answer
    x = 133,753.16

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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.