Home / 213,373.24-294,328.38-137,966.20

Finding the Fourth Proportional to 213,373.24, 294,328.38 and 137,966.20

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Solution

The fourth proportional to 213,373.24, 294,328.38 and 137,966.20 is: 190,311.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,373.24 : 294,328.38 = 137,966.20 : x
  2. Step 2: Convert to fraction form
    213,373.24/294,328.38 = 137,966.20/x
  3. Step 3: Cross multiply
    213,373.24x = 294,328.38 × 137,966.20
  4. Step 4: Simplify right side
    213,373.24x = 40,607,368,140.76
  5. Step 5: Solve for x
    x = 40,607,368,140.76/213,373.24
  6. Step 6: Final answer
    x = 190,311.44

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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.