Home / 113,322.40-169,983.60-51,114.40

Finding the Fourth Proportional to 113,322.40, 169,983.60 and 51,114.40

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Solution

The fourth proportional to 113,322.40, 169,983.60 and 51,114.40 is: 76,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,322.40 : 169,983.60 = 51,114.40 : x
  2. Step 2: Convert to fraction form
    113,322.40/169,983.60 = 51,114.40/x
  3. Step 3: Cross multiply
    113,322.40x = 169,983.60 × 51,114.40
  4. Step 4: Simplify right side
    113,322.40x = 8,688,609,723.84
  5. Step 5: Solve for x
    x = 8,688,609,723.84/113,322.40
  6. Step 6: Final answer
    x = 76,671.60

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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.