Home / 108,853.83-163,342.93-42,285.30

Finding the Fourth Proportional to 108,853.83, 163,342.93 and 42,285.30

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Solution

The fourth proportional to 108,853.83, 163,342.93 and 42,285.30 is: 63,452.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,853.83 : 163,342.93 = 42,285.30 : x
  2. Step 2: Convert to fraction form
    108,853.83/163,342.93 = 42,285.30/x
  3. Step 3: Cross multiply
    108,853.83x = 163,342.93 × 42,285.30
  4. Step 4: Simplify right side
    108,853.83x = 6,907,004,797.93
  5. Step 5: Solve for x
    x = 6,907,004,797.93/108,853.83
  6. Step 6: Final answer
    x = 63,452.11

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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.