Home / 213,534.86-294,690.81-122,888.84

Finding the Fourth Proportional to 213,534.86, 294,690.81 and 122,888.84

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Solution

The fourth proportional to 213,534.86, 294,690.81 and 122,888.84 is: 169,593.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,534.86 : 294,690.81 = 122,888.84 : x
  2. Step 2: Convert to fraction form
    213,534.86/294,690.81 = 122,888.84/x
  3. Step 3: Cross multiply
    213,534.86x = 294,690.81 × 122,888.84
  4. Step 4: Simplify right side
    213,534.86x = 36,214,210,326.11
  5. Step 5: Solve for x
    x = 36,214,210,326.11/213,534.86
  6. Step 6: Final answer
    x = 169,593.91

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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.