Home / 212,854.08-293,725.80-122,190.24

Finding the Fourth Proportional to 212,854.08, 293,725.80 and 122,190.24

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Solution

The fourth proportional to 212,854.08, 293,725.80 and 122,190.24 is: 168,615.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,854.08 : 293,725.80 = 122,190.24 : x
  2. Step 2: Convert to fraction form
    212,854.08/293,725.80 = 122,190.24/x
  3. Step 3: Cross multiply
    212,854.08x = 293,725.80 × 122,190.24
  4. Step 4: Simplify right side
    212,854.08x = 35,890,425,996.19
  5. Step 5: Solve for x
    x = 35,890,425,996.19/212,854.08
  6. Step 6: Final answer
    x = 168,615.17

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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.