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Finding the Fourth Proportional to 152,249.82, 210,090.50 and 90,983.84

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Solution

The fourth proportional to 152,249.82, 210,090.50 and 90,983.84 is: 125,549.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,249.82 : 210,090.50 = 90,983.84 : x
  2. Step 2: Convert to fraction form
    152,249.82/210,090.50 = 90,983.84/x
  3. Step 3: Cross multiply
    152,249.82x = 210,090.50 × 90,983.84
  4. Step 4: Simplify right side
    152,249.82x = 19,114,840,437.52
  5. Step 5: Solve for x
    x = 19,114,840,437.52/152,249.82
  6. Step 6: Final answer
    x = 125,549.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.