Home / 150,223.80-207,320.64-86,582.10

Finding the Fourth Proportional to 150,223.80, 207,320.64 and 86,582.10

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Solution

The fourth proportional to 150,223.80, 207,320.64 and 86,582.10 is: 119,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,223.80 : 207,320.64 = 86,582.10 : x
  2. Step 2: Convert to fraction form
    150,223.80/207,320.64 = 86,582.10/x
  3. Step 3: Cross multiply
    150,223.80x = 207,320.64 × 86,582.10
  4. Step 4: Simplify right side
    150,223.80x = 17,950,256,384.54
  5. Step 5: Solve for x
    x = 17,950,256,384.54/150,223.80
  6. Step 6: Final answer
    x = 119,490.10

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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.