Home / 213,008.55-293,966.06-122,393.85

Finding the Fourth Proportional to 213,008.55, 293,966.06 and 122,393.85

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Solution

The fourth proportional to 213,008.55, 293,966.06 and 122,393.85 is: 168,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,008.55 : 293,966.06 = 122,393.85 : x
  2. Step 2: Convert to fraction form
    213,008.55/293,966.06 = 122,393.85/x
  3. Step 3: Cross multiply
    213,008.55x = 293,966.06 × 122,393.85
  4. Step 4: Simplify right side
    213,008.55x = 35,979,637,240.76
  5. Step 5: Solve for x
    x = 35,979,637,240.76/213,008.55
  6. Step 6: Final answer
    x = 168,911.70

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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.