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Finding the Fourth Proportional to 60,156.18, 90,203.90 and 35,203.73

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Solution

The fourth proportional to 60,156.18, 90,203.90 and 35,203.73 is: 52,787.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,156.18 : 90,203.90 = 35,203.73 : x
  2. Step 2: Convert to fraction form
    60,156.18/90,203.90 = 35,203.73/x
  3. Step 3: Cross multiply
    60,156.18x = 90,203.90 × 35,203.73
  4. Step 4: Simplify right side
    60,156.18x = 3,175,513,113.51
  5. Step 5: Solve for x
    x = 3,175,513,113.51/60,156.18
  6. Step 6: Final answer
    x = 52,787.81

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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.