Home / 151,002.07-208,382.99-83,020.20

Finding the Fourth Proportional to 151,002.07, 208,382.99 and 83,020.20

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Solution

The fourth proportional to 151,002.07, 208,382.99 and 83,020.20 is: 114,567.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,002.07 : 208,382.99 = 83,020.20 : x
  2. Step 2: Convert to fraction form
    151,002.07/208,382.99 = 83,020.20/x
  3. Step 3: Cross multiply
    151,002.07x = 208,382.99 × 83,020.20
  4. Step 4: Simplify right side
    151,002.07x = 17,299,997,506.40
  5. Step 5: Solve for x
    x = 17,299,997,506.40/151,002.07
  6. Step 6: Final answer
    x = 114,567.95

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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.