Home / 212,697.61-293,520.21-120,816.25

Finding the Fourth Proportional to 212,697.61, 293,520.21 and 120,816.25

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Solution

The fourth proportional to 212,697.61, 293,520.21 and 120,816.25 is: 166,725.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,697.61 : 293,520.21 = 120,816.25 : x
  2. Step 2: Convert to fraction form
    212,697.61/293,520.21 = 120,816.25/x
  3. Step 3: Cross multiply
    212,697.61x = 293,520.21 × 120,816.25
  4. Step 4: Simplify right side
    212,697.61x = 35,462,011,071.41
  5. Step 5: Solve for x
    x = 35,462,011,071.41/212,697.61
  6. Step 6: Final answer
    x = 166,725.01

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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.