Home / 213,215.12-294,248.40-117,721.52

Finding the Fourth Proportional to 213,215.12, 294,248.40 and 117,721.52

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Solution

The fourth proportional to 213,215.12, 294,248.40 and 117,721.52 is: 162,462.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,215.12 : 294,248.40 = 117,721.52 : x
  2. Step 2: Convert to fraction form
    213,215.12/294,248.40 = 117,721.52/x
  3. Step 3: Cross multiply
    213,215.12x = 294,248.40 × 117,721.52
  4. Step 4: Simplify right side
    213,215.12x = 34,639,368,905.57
  5. Step 5: Solve for x
    x = 34,639,368,905.57/213,215.12
  6. Step 6: Final answer
    x = 162,462.07

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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.