Home / 109,092.42-163,638.63-30,204.90

Finding the Fourth Proportional to 109,092.42, 163,638.63 and 30,204.90

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Solution

The fourth proportional to 109,092.42, 163,638.63 and 30,204.90 is: 45,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,092.42 : 163,638.63 = 30,204.90 : x
  2. Step 2: Convert to fraction form
    109,092.42/163,638.63 = 30,204.90/x
  3. Step 3: Cross multiply
    109,092.42x = 163,638.63 × 30,204.90
  4. Step 4: Simplify right side
    109,092.42x = 4,942,688,455.29
  5. Step 5: Solve for x
    x = 4,942,688,455.29/109,092.42
  6. Step 6: Final answer
    x = 45,307.35

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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.