Home / 210,267.60-315,451.68-70,027.44

Finding the Fourth Proportional to 210,267.60, 315,451.68 and 70,027.44

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Solution

The fourth proportional to 210,267.60, 315,451.68 and 70,027.44 is: 105,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,267.60 : 315,451.68 = 70,027.44 : x
  2. Step 2: Convert to fraction form
    210,267.60/315,451.68 = 70,027.44/x
  3. Step 3: Cross multiply
    210,267.60x = 315,451.68 × 70,027.44
  4. Step 4: Simplify right side
    210,267.60x = 22,090,273,594.10
  5. Step 5: Solve for x
    x = 22,090,273,594.10/210,267.60
  6. Step 6: Final answer
    x = 105,057.91

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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.