Home / 212,998.47-293,937.86-117,505.16

Finding the Fourth Proportional to 212,998.47, 293,937.86 and 117,505.16

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Solution

The fourth proportional to 212,998.47, 293,937.86 and 117,505.16 is: 162,157.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,998.47 : 293,937.86 = 117,505.16 : x
  2. Step 2: Convert to fraction form
    212,998.47/293,937.86 = 117,505.16/x
  3. Step 3: Cross multiply
    212,998.47x = 293,937.86 × 117,505.16
  4. Step 4: Simplify right side
    212,998.47x = 34,539,215,195.70
  5. Step 5: Solve for x
    x = 34,539,215,195.70/212,998.47
  6. Step 6: Final answer
    x = 162,157.11

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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.