Home / 151,025.20-208,417.20-83,045.20

Finding the Fourth Proportional to 151,025.20, 208,417.20 and 83,045.20

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Solution

The fourth proportional to 151,025.20, 208,417.20 and 83,045.20 is: 114,603.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,025.20 : 208,417.20 = 83,045.20 : x
  2. Step 2: Convert to fraction form
    151,025.20/208,417.20 = 83,045.20/x
  3. Step 3: Cross multiply
    151,025.20x = 208,417.20 × 83,045.20
  4. Step 4: Simplify right side
    151,025.20x = 17,308,048,057.44
  5. Step 5: Solve for x
    x = 17,308,048,057.44/151,025.20
  6. Step 6: Final answer
    x = 114,603.71

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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.