Home / 147,600.89-203,683.35-87,190.94

Finding the Fourth Proportional to 147,600.89, 203,683.35 and 87,190.94

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Solution

The fourth proportional to 147,600.89, 203,683.35 and 87,190.94 is: 120,320.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,600.89 : 203,683.35 = 87,190.94 : x
  2. Step 2: Convert to fraction form
    147,600.89/203,683.35 = 87,190.94/x
  3. Step 3: Cross multiply
    147,600.89x = 203,683.35 × 87,190.94
  4. Step 4: Simplify right side
    147,600.89x = 17,759,341,730.43
  5. Step 5: Solve for x
    x = 17,759,341,730.43/147,600.89
  6. Step 6: Final answer
    x = 120,320.02

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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.