Home / 213,444.72-294,565.05-122,814.45

Finding the Fourth Proportional to 213,444.72, 294,565.05 and 122,814.45

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Solution

The fourth proportional to 213,444.72, 294,565.05 and 122,814.45 is: 169,490.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,444.72 : 294,565.05 = 122,814.45 : x
  2. Step 2: Convert to fraction form
    213,444.72/294,565.05 = 122,814.45/x
  3. Step 3: Cross multiply
    213,444.72x = 294,565.05 × 122,814.45
  4. Step 4: Simplify right side
    213,444.72x = 36,176,844,604.97
  5. Step 5: Solve for x
    x = 36,176,844,604.97/213,444.72
  6. Step 6: Final answer
    x = 169,490.46

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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.