Home / 122,114.42-182,856.16-84,280.47

Finding the Fourth Proportional to 122,114.42, 182,856.16 and 84,280.47

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Solution

The fourth proportional to 122,114.42, 182,856.16 and 84,280.47 is: 126,202.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,114.42 : 182,856.16 = 84,280.47 : x
  2. Step 2: Convert to fraction form
    122,114.42/182,856.16 = 84,280.47/x
  3. Step 3: Cross multiply
    122,114.42x = 182,856.16 × 84,280.47
  4. Step 4: Simplify right side
    122,114.42x = 15,411,202,526.84
  5. Step 5: Solve for x
    x = 15,411,202,526.84/122,114.42
  6. Step 6: Final answer
    x = 126,202.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.