Home / 150,621.09-207,802.56-98,966.01

Finding the Fourth Proportional to 150,621.09, 207,802.56 and 98,966.01

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Solution

The fourth proportional to 150,621.09, 207,802.56 and 98,966.01 is: 136,537.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,621.09 : 207,802.56 = 98,966.01 : x
  2. Step 2: Convert to fraction form
    150,621.09/207,802.56 = 98,966.01/x
  3. Step 3: Cross multiply
    150,621.09x = 207,802.56 × 98,966.01
  4. Step 4: Simplify right side
    150,621.09x = 20,565,390,230.99
  5. Step 5: Solve for x
    x = 20,565,390,230.99/150,621.09
  6. Step 6: Final answer
    x = 136,537.26

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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.