Home / 212,511.04-293,199.35-120,615.33

Finding the Fourth Proportional to 212,511.04, 293,199.35 and 120,615.33

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Solution

The fourth proportional to 212,511.04, 293,199.35 and 120,615.33 is: 166,411.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,511.04 : 293,199.35 = 120,615.33 : x
  2. Step 2: Convert to fraction form
    212,511.04/293,199.35 = 120,615.33/x
  3. Step 3: Cross multiply
    212,511.04x = 293,199.35 × 120,615.33
  4. Step 4: Simplify right side
    212,511.04x = 35,364,335,203.21
  5. Step 5: Solve for x
    x = 35,364,335,203.21/212,511.04
  6. Step 6: Final answer
    x = 166,411.75

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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.