Home / 118,119.48-163,001.94-64,405.55

Finding the Fourth Proportional to 118,119.48, 163,001.94 and 64,405.55

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Solution

The fourth proportional to 118,119.48, 163,001.94 and 64,405.55 is: 88,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,119.48 : 163,001.94 = 64,405.55 : x
  2. Step 2: Convert to fraction form
    118,119.48/163,001.94 = 64,405.55/x
  3. Step 3: Cross multiply
    118,119.48x = 163,001.94 × 64,405.55
  4. Step 4: Simplify right side
    118,119.48x = 10,498,228,781.76
  5. Step 5: Solve for x
    x = 10,498,228,781.76/118,119.48
  6. Step 6: Final answer
    x = 88,878.05

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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.