Home / 213,389.13-294,473.16-117,902.28

Finding the Fourth Proportional to 213,389.13, 294,473.16 and 117,902.28

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Solution

The fourth proportional to 213,389.13, 294,473.16 and 117,902.28 is: 162,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,389.13 : 294,473.16 = 117,902.28 : x
  2. Step 2: Convert to fraction form
    213,389.13/294,473.16 = 117,902.28/x
  3. Step 3: Cross multiply
    213,389.13x = 294,473.16 × 117,902.28
  4. Step 4: Simplify right side
    213,389.13x = 34,719,056,962.80
  5. Step 5: Solve for x
    x = 34,719,056,962.80/213,389.13
  6. Step 6: Final answer
    x = 162,703.03

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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.