Home / 213,368.18-294,456.56-122,724.05

Finding the Fourth Proportional to 213,368.18, 294,456.56 and 122,724.05

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Solution

The fourth proportional to 213,368.18, 294,456.56 and 122,724.05 is: 169,364.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,368.18 : 294,456.56 = 122,724.05 : x
  2. Step 2: Convert to fraction form
    213,368.18/294,456.56 = 122,724.05/x
  3. Step 3: Cross multiply
    213,368.18x = 294,456.56 × 122,724.05
  4. Step 4: Simplify right side
    213,368.18x = 36,136,899,506.37
  5. Step 5: Solve for x
    x = 36,136,899,506.37/213,368.18
  6. Step 6: Final answer
    x = 169,364.06

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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.