Home / 137,704.32-190,041.66-76,453.74

Finding the Fourth Proportional to 137,704.32, 190,041.66 and 76,453.74

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Solution

The fourth proportional to 137,704.32, 190,041.66 and 76,453.74 is: 105,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,704.32 : 190,041.66 = 76,453.74 : x
  2. Step 2: Convert to fraction form
    137,704.32/190,041.66 = 76,453.74/x
  3. Step 3: Cross multiply
    137,704.32x = 190,041.66 × 76,453.74
  4. Step 4: Simplify right side
    137,704.32x = 14,529,395,662.81
  5. Step 5: Solve for x
    x = 14,529,395,662.81/137,704.32
  6. Step 6: Final answer
    x = 105,511.55

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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.