Home / 213,031.53-294,001.10-122,405.00

Finding the Fourth Proportional to 213,031.53, 294,001.10 and 122,405.00

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Solution

The fourth proportional to 213,031.53, 294,001.10 and 122,405.00 is: 168,929.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,031.53 : 294,001.10 = 122,405.00 : x
  2. Step 2: Convert to fraction form
    213,031.53/294,001.10 = 122,405.00/x
  3. Step 3: Cross multiply
    213,031.53x = 294,001.10 × 122,405.00
  4. Step 4: Simplify right side
    213,031.53x = 35,987,202,563.47
  5. Step 5: Solve for x
    x = 35,987,202,563.47/213,031.53
  6. Step 6: Final answer
    x = 168,929.00

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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.