Home / 118,327.73-163,292.25-64,612.80

Finding the Fourth Proportional to 118,327.73, 163,292.25 and 64,612.80

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Solution

The fourth proportional to 118,327.73, 163,292.25 and 64,612.80 is: 89,165.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,327.73 : 163,292.25 = 64,612.80 : x
  2. Step 2: Convert to fraction form
    118,327.73/163,292.25 = 64,612.80/x
  3. Step 3: Cross multiply
    118,327.73x = 163,292.25 × 64,612.80
  4. Step 4: Simplify right side
    118,327.73x = 10,550,769,490.80
  5. Step 5: Solve for x
    x = 10,550,769,490.80/118,327.73
  6. Step 6: Final answer
    x = 89,165.66

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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.