Home / 118,129.02-163,011.87-67,134.93

Finding the Fourth Proportional to 118,129.02, 163,011.87 and 67,134.93

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Solution

The fourth proportional to 118,129.02, 163,011.87 and 67,134.93 is: 92,642.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,129.02 : 163,011.87 = 67,134.93 : x
  2. Step 2: Convert to fraction form
    118,129.02/163,011.87 = 67,134.93/x
  3. Step 3: Cross multiply
    118,129.02x = 163,011.87 × 67,134.93
  4. Step 4: Simplify right side
    118,129.02x = 10,943,790,481.62
  5. Step 5: Solve for x
    x = 10,943,790,481.62/118,129.02
  6. Step 6: Final answer
    x = 92,642.69

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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.