Home / 153,271.66-229,904.83-68,972.19

Finding the Fourth Proportional to 153,271.66, 229,904.83 and 68,972.19

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Solution

The fourth proportional to 153,271.66, 229,904.83 and 68,972.19 is: 103,457.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,271.66 : 229,904.83 = 68,972.19 : x
  2. Step 2: Convert to fraction form
    153,271.66/229,904.83 = 68,972.19/x
  3. Step 3: Cross multiply
    153,271.66x = 229,904.83 × 68,972.19
  4. Step 4: Simplify right side
    153,271.66x = 15,857,039,616.68
  5. Step 5: Solve for x
    x = 15,857,039,616.68/153,271.66
  6. Step 6: Final answer
    x = 103,457.09

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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.