Home / 212,648.99-293,498.10-122,066.19

Finding the Fourth Proportional to 212,648.99, 293,498.10 and 122,066.19

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Solution

The fourth proportional to 212,648.99, 293,498.10 and 122,066.19 is: 168,475.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,648.99 : 293,498.10 = 122,066.19 : x
  2. Step 2: Convert to fraction form
    212,648.99/293,498.10 = 122,066.19/x
  3. Step 3: Cross multiply
    212,648.99x = 293,498.10 × 122,066.19
  4. Step 4: Simplify right side
    212,648.99x = 35,826,194,839.24
  5. Step 5: Solve for x
    x = 35,826,194,839.24/212,648.99
  6. Step 6: Final answer
    x = 168,475.74

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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.