Home / 90,803.34-136,226.70-28,473.84

Finding the Fourth Proportional to 90,803.34, 136,226.70 and 28,473.84

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Solution

The fourth proportional to 90,803.34, 136,226.70 and 28,473.84 is: 42,717.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,803.34 : 136,226.70 = 28,473.84 : x
  2. Step 2: Convert to fraction form
    90,803.34/136,226.70 = 28,473.84/x
  3. Step 3: Cross multiply
    90,803.34x = 136,226.70 × 28,473.84
  4. Step 4: Simplify right side
    90,803.34x = 3,878,897,259.53
  5. Step 5: Solve for x
    x = 3,878,897,259.53/90,803.34
  6. Step 6: Final answer
    x = 42,717.56

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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.