Home / 108,800.42-163,082.55-42,220.94

Finding the Fourth Proportional to 108,800.42, 163,082.55 and 42,220.94

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Solution

The fourth proportional to 108,800.42, 163,082.55 and 42,220.94 is: 63,285.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,800.42 : 163,082.55 = 42,220.94 : x
  2. Step 2: Convert to fraction form
    108,800.42/163,082.55 = 42,220.94/x
  3. Step 3: Cross multiply
    108,800.42x = 163,082.55 × 42,220.94
  4. Step 4: Simplify right side
    108,800.42x = 6,885,498,558.60
  5. Step 5: Solve for x
    x = 6,885,498,558.60/108,800.42
  6. Step 6: Final answer
    x = 63,285.59

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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.