Home / 122,631.40-183,947.10-107,079.40

Finding the Fourth Proportional to 122,631.40, 183,947.10 and 107,079.40

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Solution

The fourth proportional to 122,631.40, 183,947.10 and 107,079.40 is: 160,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,631.40 : 183,947.10 = 107,079.40 : x
  2. Step 2: Convert to fraction form
    122,631.40/183,947.10 = 107,079.40/x
  3. Step 3: Cross multiply
    122,631.40x = 183,947.10 × 107,079.40
  4. Step 4: Simplify right side
    122,631.40x = 19,696,945,099.74
  5. Step 5: Solve for x
    x = 19,696,945,099.74/122,631.40
  6. Step 6: Final answer
    x = 160,619.10

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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.