Home / 163,355.52-245,039.76-51,111.12

Finding the Fourth Proportional to 163,355.52, 245,039.76 and 51,111.12

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Solution

The fourth proportional to 163,355.52, 245,039.76 and 51,111.12 is: 76,668.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,355.52 : 245,039.76 = 51,111.12 : x
  2. Step 2: Convert to fraction form
    163,355.52/245,039.76 = 51,111.12/x
  3. Step 3: Cross multiply
    163,355.52x = 245,039.76 × 51,111.12
  4. Step 4: Simplify right side
    163,355.52x = 12,524,256,578.13
  5. Step 5: Solve for x
    x = 12,524,256,578.13/163,355.52
  6. Step 6: Final answer
    x = 76,668.71

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1.5x scale

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.