Home / 88,251.84-121,790.22-54,280.26

Finding the Fourth Proportional to 88,251.84, 121,790.22 and 54,280.26

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Solution

The fourth proportional to 88,251.84, 121,790.22 and 54,280.26 is: 74,908.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,251.84 : 121,790.22 = 54,280.26 : x
  2. Step 2: Convert to fraction form
    88,251.84/121,790.22 = 54,280.26/x
  3. Step 3: Cross multiply
    88,251.84x = 121,790.22 × 54,280.26
  4. Step 4: Simplify right side
    88,251.84x = 6,610,804,807.06
  5. Step 5: Solve for x
    x = 6,610,804,807.06/88,251.84
  6. Step 6: Final answer
    x = 74,908.41

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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.