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Finding the Fourth Proportional to 103,101.53, 154,652.13 and 28,222.29

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Solution

The fourth proportional to 103,101.53, 154,652.13 and 28,222.29 is: 42,333.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,101.53 : 154,652.13 = 28,222.29 : x
  2. Step 2: Convert to fraction form
    103,101.53/154,652.13 = 28,222.29/x
  3. Step 3: Cross multiply
    103,101.53x = 154,652.13 × 28,222.29
  4. Step 4: Simplify right side
    103,101.53x = 4,364,637,261.98
  5. Step 5: Solve for x
    x = 4,364,637,261.98/103,101.53
  6. Step 6: Final answer
    x = 42,333.39

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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.