Home / 119,140.54-164,415.08-65,426.68

Finding the Fourth Proportional to 119,140.54, 164,415.08 and 65,426.68

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Solution

The fourth proportional to 119,140.54, 164,415.08 and 65,426.68 is: 90,289.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,140.54 : 164,415.08 = 65,426.68 : x
  2. Step 2: Convert to fraction form
    119,140.54/164,415.08 = 65,426.68/x
  3. Step 3: Cross multiply
    119,140.54x = 164,415.08 × 65,426.68
  4. Step 4: Simplify right side
    119,140.54x = 10,757,132,826.33
  5. Step 5: Solve for x
    x = 10,757,132,826.33/119,140.54
  6. Step 6: Final answer
    x = 90,289.44

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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.