Home / 213,151.16-294,127.62-117,651.68

Finding the Fourth Proportional to 213,151.16, 294,127.62 and 117,651.68

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Solution

The fourth proportional to 213,151.16, 294,127.62 and 117,651.68 is: 162,347.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,151.16 : 294,127.62 = 117,651.68 : x
  2. Step 2: Convert to fraction form
    213,151.16/294,127.62 = 117,651.68/x
  3. Step 3: Cross multiply
    213,151.16x = 294,127.62 × 117,651.68
  4. Step 4: Simplify right side
    213,151.16x = 34,604,608,627.40
  5. Step 5: Solve for x
    x = 34,604,608,627.40/213,151.16
  6. Step 6: Final answer
    x = 162,347.74

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1.5x scale

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.