Home / 158,404.44-218,419.02-100,967.16

Finding the Fourth Proportional to 158,404.44, 218,419.02 and 100,967.16

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Solution

The fourth proportional to 158,404.44, 218,419.02 and 100,967.16 is: 139,220.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,404.44 : 218,419.02 = 100,967.16 : x
  2. Step 2: Convert to fraction form
    158,404.44/218,419.02 = 100,967.16/x
  3. Step 3: Cross multiply
    158,404.44x = 218,419.02 × 100,967.16
  4. Step 4: Simplify right side
    158,404.44x = 22,053,148,139.38
  5. Step 5: Solve for x
    x = 22,053,148,139.38/158,404.44
  6. Step 6: Final answer
    x = 139,220.52

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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.