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Finding the Fourth Proportional to 163,600.20, 245,400.30 and 75,026.70

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Solution

The fourth proportional to 163,600.20, 245,400.30 and 75,026.70 is: 112,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,600.20 : 245,400.30 = 75,026.70 : x
  2. Step 2: Convert to fraction form
    163,600.20/245,400.30 = 75,026.70/x
  3. Step 3: Cross multiply
    163,600.20x = 245,400.30 × 75,026.70
  4. Step 4: Simplify right side
    163,600.20x = 18,411,574,688.01
  5. Step 5: Solve for x
    x = 18,411,574,688.01/163,600.20
  6. Step 6: Final answer
    x = 112,540.05

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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.