Home / 118,004.35-162,840.34-67,010.35

Finding the Fourth Proportional to 118,004.35, 162,840.34 and 67,010.35

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Solution

The fourth proportional to 118,004.35, 162,840.34 and 67,010.35 is: 92,471.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,004.35 : 162,840.34 = 67,010.35 : x
  2. Step 2: Convert to fraction form
    118,004.35/162,840.34 = 67,010.35/x
  3. Step 3: Cross multiply
    118,004.35x = 162,840.34 × 67,010.35
  4. Step 4: Simplify right side
    118,004.35x = 10,911,988,177.52
  5. Step 5: Solve for x
    x = 10,911,988,177.52/118,004.35
  6. Step 6: Final answer
    x = 92,471.07

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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.