Home / 150,218.08-207,347.04-86,598.20

Finding the Fourth Proportional to 150,218.08, 207,347.04 and 86,598.20

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Solution

The fourth proportional to 150,218.08, 207,347.04 and 86,598.20 is: 119,532.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,218.08 : 207,347.04 = 86,598.20 : x
  2. Step 2: Convert to fraction form
    150,218.08/207,347.04 = 86,598.20/x
  3. Step 3: Cross multiply
    150,218.08x = 207,347.04 × 86,598.20
  4. Step 4: Simplify right side
    150,218.08x = 17,955,880,439.33
  5. Step 5: Solve for x
    x = 17,955,880,439.33/150,218.08
  6. Step 6: Final answer
    x = 119,532.09

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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.