Home / 157,639.36-236,566.14-64,162.12

Finding the Fourth Proportional to 157,639.36, 236,566.14 and 64,162.12

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Solution

The fourth proportional to 157,639.36, 236,566.14 and 64,162.12 is: 96,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,639.36 : 236,566.14 = 64,162.12 : x
  2. Step 2: Convert to fraction form
    157,639.36/236,566.14 = 64,162.12/x
  3. Step 3: Cross multiply
    157,639.36x = 236,566.14 × 64,162.12
  4. Step 4: Simplify right side
    157,639.36x = 15,178,585,062.62
  5. Step 5: Solve for x
    x = 15,178,585,062.62/157,639.36
  6. Step 6: Final answer
    x = 96,286.77

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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.