Home / 150,743.84-207,967.28-90,317.02

Finding the Fourth Proportional to 150,743.84, 207,967.28 and 90,317.02

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Solution

The fourth proportional to 150,743.84, 207,967.28 and 90,317.02 is: 124,602.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,743.84 : 207,967.28 = 90,317.02 : x
  2. Step 2: Convert to fraction form
    150,743.84/207,967.28 = 90,317.02/x
  3. Step 3: Cross multiply
    150,743.84x = 207,967.28 × 90,317.02
  4. Step 4: Simplify right side
    150,743.84x = 18,782,984,987.11
  5. Step 5: Solve for x
    x = 18,782,984,987.11/150,743.84
  6. Step 6: Final answer
    x = 124,602.01

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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.