Home / 135,256.92-186,652.80-74,823

Finding the Fourth Proportional to 135,256.92, 186,652.80 and 74,823

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Solution

The fourth proportional to 135,256.92, 186,652.80 and 74,823 is: 103,254.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,256.92 : 186,652.80 = 74,823 : x
  2. Step 2: Convert to fraction form
    135,256.92/186,652.80 = 74,823/x
  3. Step 3: Cross multiply
    135,256.92x = 186,652.80 × 74,823
  4. Step 4: Simplify right side
    135,256.92x = 13,965,922,454.40
  5. Step 5: Solve for x
    x = 13,965,922,454.40/135,256.92
  6. Step 6: Final answer
    x = 103,254.77

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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.