Home / 212,613.66-293,410.38-117,120.45

Finding the Fourth Proportional to 212,613.66, 293,410.38 and 117,120.45

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Solution

The fourth proportional to 212,613.66, 293,410.38 and 117,120.45 is: 161,628.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,613.66 : 293,410.38 = 117,120.45 : x
  2. Step 2: Convert to fraction form
    212,613.66/293,410.38 = 117,120.45/x
  3. Step 3: Cross multiply
    212,613.66x = 293,410.38 × 117,120.45
  4. Step 4: Simplify right side
    212,613.66x = 34,364,355,740.27
  5. Step 5: Solve for x
    x = 34,364,355,740.27/212,613.66
  6. Step 6: Final answer
    x = 161,628.17

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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.