Home / 90,742.06-135,994.83-46,331.38

Finding the Fourth Proportional to 90,742.06, 135,994.83 and 46,331.38

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Solution

The fourth proportional to 90,742.06, 135,994.83 and 46,331.38 is: 69,436.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,742.06 : 135,994.83 = 46,331.38 : x
  2. Step 2: Convert to fraction form
    90,742.06/135,994.83 = 46,331.38/x
  3. Step 3: Cross multiply
    90,742.06x = 135,994.83 × 46,331.38
  4. Step 4: Simplify right side
    90,742.06x = 6,300,828,146.77
  5. Step 5: Solve for x
    x = 6,300,828,146.77/90,742.06
  6. Step 6: Final answer
    x = 69,436.69

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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.