Home / 180,494.56-248,931.93-135,280.36

Finding the Fourth Proportional to 180,494.56, 248,931.93 and 135,280.36

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Solution

The fourth proportional to 180,494.56, 248,931.93 and 135,280.36 is: 186,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,494.56 : 248,931.93 = 135,280.36 : x
  2. Step 2: Convert to fraction form
    180,494.56/248,931.93 = 135,280.36/x
  3. Step 3: Cross multiply
    180,494.56x = 248,931.93 × 135,280.36
  4. Step 4: Simplify right side
    180,494.56x = 33,675,601,105.89
  5. Step 5: Solve for x
    x = 33,675,601,105.89/180,494.56
  6. Step 6: Final answer
    x = 186,574.05

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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.