Home / 160,975.74-222,101.48-100,607.70

Finding the Fourth Proportional to 160,975.74, 222,101.48 and 100,607.70

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Solution

The fourth proportional to 160,975.74, 222,101.48 and 100,607.70 is: 138,810.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,975.74 : 222,101.48 = 100,607.70 : x
  2. Step 2: Convert to fraction form
    160,975.74/222,101.48 = 100,607.70/x
  3. Step 3: Cross multiply
    160,975.74x = 222,101.48 × 100,607.70
  4. Step 4: Simplify right side
    160,975.74x = 22,345,119,069.40
  5. Step 5: Solve for x
    x = 22,345,119,069.40/160,975.74
  6. Step 6: Final answer
    x = 138,810.48

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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.