Home / 212,809.45-293,675.11-117,316.15

Finding the Fourth Proportional to 212,809.45, 293,675.11 and 117,316.15

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Solution

The fourth proportional to 212,809.45, 293,675.11 and 117,316.15 is: 161,895.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,809.45 : 293,675.11 = 117,316.15 : x
  2. Step 2: Convert to fraction form
    212,809.45/293,675.11 = 117,316.15/x
  3. Step 3: Cross multiply
    212,809.45x = 293,675.11 × 117,316.15
  4. Step 4: Simplify right side
    212,809.45x = 34,452,833,256.03
  5. Step 5: Solve for x
    x = 34,452,833,256.03/212,809.45
  6. Step 6: Final answer
    x = 161,895.22

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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.