Home / 150,028.20-207,058.50-86,368.68

Finding the Fourth Proportional to 150,028.20, 207,058.50 and 86,368.68

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Solution

The fourth proportional to 150,028.20, 207,058.50 and 86,368.68 is: 119,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,028.20 : 207,058.50 = 86,368.68 : x
  2. Step 2: Convert to fraction form
    150,028.20/207,058.50 = 86,368.68/x
  3. Step 3: Cross multiply
    150,028.20x = 207,058.50 × 86,368.68
  4. Step 4: Simplify right side
    150,028.20x = 17,883,369,327.78
  5. Step 5: Solve for x
    x = 17,883,369,327.78/150,028.20
  6. Step 6: Final answer
    x = 119,200.05

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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.