Home / 150,195.84-207,345.06-86,521.20

Finding the Fourth Proportional to 150,195.84, 207,345.06 and 86,521.20

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Solution

The fourth proportional to 150,195.84, 207,345.06 and 86,521.20 is: 119,442.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,195.84 : 207,345.06 = 86,521.20 : x
  2. Step 2: Convert to fraction form
    150,195.84/207,345.06 = 86,521.20/x
  3. Step 3: Cross multiply
    150,195.84x = 207,345.06 × 86,521.20
  4. Step 4: Simplify right side
    150,195.84x = 17,939,743,405.27
  5. Step 5: Solve for x
    x = 17,939,743,405.27/150,195.84
  6. Step 6: Final answer
    x = 119,442.35

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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.