Home / 102,358.91-153,465.66-39,125.77

Finding the Fourth Proportional to 102,358.91, 153,465.66 and 39,125.77

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Solution

The fourth proportional to 102,358.91, 153,465.66 and 39,125.77 is: 58,660.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,358.91 : 153,465.66 = 39,125.77 : x
  2. Step 2: Convert to fraction form
    102,358.91/153,465.66 = 39,125.77/x
  3. Step 3: Cross multiply
    102,358.91x = 153,465.66 × 39,125.77
  4. Step 4: Simplify right side
    102,358.91x = 6,004,461,732.39
  5. Step 5: Solve for x
    x = 6,004,461,732.39/102,358.91
  6. Step 6: Final answer
    x = 58,660.86

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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.