Home / 112,220.08-168,200.80-45,587

Finding the Fourth Proportional to 112,220.08, 168,200.80 and 45,587

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Solution

The fourth proportional to 112,220.08, 168,200.80 and 45,587 is: 68,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,220.08 : 168,200.80 = 45,587 : x
  2. Step 2: Convert to fraction form
    112,220.08/168,200.80 = 45,587/x
  3. Step 3: Cross multiply
    112,220.08x = 168,200.80 × 45,587
  4. Step 4: Simplify right side
    112,220.08x = 7,667,769,869.60
  5. Step 5: Solve for x
    x = 7,667,769,869.60/112,220.08
  6. Step 6: Final answer
    x = 68,327.97

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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.