Home / 214,208.60-321,312.90-125,562.20

Finding the Fourth Proportional to 214,208.60, 321,312.90 and 125,562.20

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Solution

The fourth proportional to 214,208.60, 321,312.90 and 125,562.20 is: 188,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,208.60 : 321,312.90 = 125,562.20 : x
  2. Step 2: Convert to fraction form
    214,208.60/321,312.90 = 125,562.20/x
  3. Step 3: Cross multiply
    214,208.60x = 321,312.90 × 125,562.20
  4. Step 4: Simplify right side
    214,208.60x = 40,344,754,612.38
  5. Step 5: Solve for x
    x = 40,344,754,612.38/214,208.60
  6. Step 6: Final answer
    x = 188,343.30

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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.