Home / 108,945.84-163,335.68-56,321.76

Finding the Fourth Proportional to 108,945.84, 163,335.68 and 56,321.76

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Solution

The fourth proportional to 108,945.84, 163,335.68 and 56,321.76 is: 84,439.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,945.84 : 163,335.68 = 56,321.76 : x
  2. Step 2: Convert to fraction form
    108,945.84/163,335.68 = 56,321.76/x
  3. Step 3: Cross multiply
    108,945.84x = 163,335.68 × 56,321.76
  4. Step 4: Simplify right side
    108,945.84x = 9,199,352,968.40
  5. Step 5: Solve for x
    x = 9,199,352,968.40/108,945.84
  6. Step 6: Final answer
    x = 84,439.69

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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.