Home / 160,987.55-222,117.53-100,619.46

Finding the Fourth Proportional to 160,987.55, 222,117.53 and 100,619.46

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Solution

The fourth proportional to 160,987.55, 222,117.53 and 100,619.46 is: 138,826.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,987.55 : 222,117.53 = 100,619.46 : x
  2. Step 2: Convert to fraction form
    160,987.55/222,117.53 = 100,619.46/x
  3. Step 3: Cross multiply
    160,987.55x = 222,117.53 × 100,619.46
  4. Step 4: Simplify right side
    160,987.55x = 22,349,345,422.04
  5. Step 5: Solve for x
    x = 22,349,345,422.04/160,987.55
  6. Step 6: Final answer
    x = 138,826.55

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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.