Home / 113,327.40-169,991.10-51,119.40

Finding the Fourth Proportional to 113,327.40, 169,991.10 and 51,119.40

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Solution

The fourth proportional to 113,327.40, 169,991.10 and 51,119.40 is: 76,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,327.40 : 169,991.10 = 51,119.40 : x
  2. Step 2: Convert to fraction form
    113,327.40/169,991.10 = 51,119.40/x
  3. Step 3: Cross multiply
    113,327.40x = 169,991.10 × 51,119.40
  4. Step 4: Simplify right side
    113,327.40x = 8,689,843,037.34
  5. Step 5: Solve for x
    x = 8,689,843,037.34/113,327.40
  6. Step 6: Final answer
    x = 76,679.10

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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.