Home / 212,526.77-293,212.75-120,635.11

Finding the Fourth Proportional to 212,526.77, 293,212.75 and 120,635.11

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Solution

The fourth proportional to 212,526.77, 293,212.75 and 120,635.11 is: 166,434.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,526.77 : 293,212.75 = 120,635.11 : x
  2. Step 2: Convert to fraction form
    212,526.77/293,212.75 = 120,635.11/x
  3. Step 3: Cross multiply
    212,526.77x = 293,212.75 × 120,635.11
  4. Step 4: Simplify right side
    212,526.77x = 35,371,752,349.65
  5. Step 5: Solve for x
    x = 35,371,752,349.65/212,526.77
  6. Step 6: Final answer
    x = 166,434.34

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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.