Home / 213,218.04-294,240.74-122,591.72

Finding the Fourth Proportional to 213,218.04, 294,240.74 and 122,591.72

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Solution

The fourth proportional to 213,218.04, 294,240.74 and 122,591.72 is: 169,176.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,218.04 : 294,240.74 = 122,591.72 : x
  2. Step 2: Convert to fraction form
    213,218.04/294,240.74 = 122,591.72/x
  3. Step 3: Cross multiply
    213,218.04x = 294,240.74 × 122,591.72
  4. Step 4: Simplify right side
    213,218.04x = 36,071,478,410.67
  5. Step 5: Solve for x
    x = 36,071,478,410.67/213,218.04
  6. Step 6: Final answer
    x = 169,176.48

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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.