Home / 213,569.85-294,641.63-122,877.01

Finding the Fourth Proportional to 213,569.85, 294,641.63 and 122,877.01

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Solution

The fourth proportional to 213,569.85, 294,641.63 and 122,877.01 is: 169,521.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,569.85 : 294,641.63 = 122,877.01 : x
  2. Step 2: Convert to fraction form
    213,569.85/294,641.63 = 122,877.01/x
  3. Step 3: Cross multiply
    213,569.85x = 294,641.63 × 122,877.01
  4. Step 4: Simplify right side
    213,569.85x = 36,204,682,730.63
  5. Step 5: Solve for x
    x = 36,204,682,730.63/213,569.85
  6. Step 6: Final answer
    x = 169,521.50

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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.