Home / 108,921.55-163,392.40-42,366.73

Finding the Fourth Proportional to 108,921.55, 163,392.40 and 42,366.73

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Solution

The fourth proportional to 108,921.55, 163,392.40 and 42,366.73 is: 63,554.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,921.55 : 163,392.40 = 42,366.73 : x
  2. Step 2: Convert to fraction form
    108,921.55/163,392.40 = 42,366.73/x
  3. Step 3: Cross multiply
    108,921.55x = 163,392.40 × 42,366.73
  4. Step 4: Simplify right side
    108,921.55x = 6,922,401,483.02
  5. Step 5: Solve for x
    x = 6,922,401,483.02/108,921.55
  6. Step 6: Final answer
    x = 63,554.01

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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.