Home / 150,995.02-208,314.12-86,429.74

Finding the Fourth Proportional to 150,995.02, 208,314.12 and 86,429.74

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Solution

The fourth proportional to 150,995.02, 208,314.12 and 86,429.74 is: 119,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,995.02 : 208,314.12 = 86,429.74 : x
  2. Step 2: Convert to fraction form
    150,995.02/208,314.12 = 86,429.74/x
  3. Step 3: Cross multiply
    150,995.02x = 208,314.12 × 86,429.74
  4. Step 4: Simplify right side
    150,995.02x = 18,004,535,229.93
  5. Step 5: Solve for x
    x = 18,004,535,229.93/150,995.02
  6. Step 6: Final answer
    x = 119,239.27

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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.