Home / 212,811.06-293,681.25-117,321.18

Finding the Fourth Proportional to 212,811.06, 293,681.25 and 117,321.18

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Solution

The fourth proportional to 212,811.06, 293,681.25 and 117,321.18 is: 161,904.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,811.06 : 293,681.25 = 117,321.18 : x
  2. Step 2: Convert to fraction form
    212,811.06/293,681.25 = 117,321.18/x
  3. Step 3: Cross multiply
    212,811.06x = 293,681.25 × 117,321.18
  4. Step 4: Simplify right side
    212,811.06x = 34,455,030,793.88
  5. Step 5: Solve for x
    x = 34,455,030,793.88/212,811.06
  6. Step 6: Final answer
    x = 161,904.32

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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.