Home / 150,750.80-208,036.48-82,772.16

Finding the Fourth Proportional to 150,750.80, 208,036.48 and 82,772.16

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Solution

The fourth proportional to 150,750.80, 208,036.48 and 82,772.16 is: 114,225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,750.80 : 208,036.48 = 82,772.16 : x
  2. Step 2: Convert to fraction form
    150,750.80/208,036.48 = 82,772.16/x
  3. Step 3: Cross multiply
    150,750.80x = 208,036.48 × 82,772.16
  4. Step 4: Simplify right side
    150,750.80x = 17,219,628,808.40
  5. Step 5: Solve for x
    x = 17,219,628,808.40/150,750.80
  6. Step 6: Final answer
    x = 114,225.79

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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.