Home / 108,861.60-163,261.56-42,287.52

Finding the Fourth Proportional to 108,861.60, 163,261.56 and 42,287.52

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Solution

The fourth proportional to 108,861.60, 163,261.56 and 42,287.52 is: 63,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,861.60 : 163,261.56 = 42,287.52 : x
  2. Step 2: Convert to fraction form
    108,861.60/163,261.56 = 42,287.52/x
  3. Step 3: Cross multiply
    108,861.60x = 163,261.56 × 42,287.52
  4. Step 4: Simplify right side
    108,861.60x = 6,903,926,483.73
  5. Step 5: Solve for x
    x = 6,903,926,483.73/108,861.60
  6. Step 6: Final answer
    x = 63,419.30

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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.