Home / 151,559.75-209,147.64-83,579.59

Finding the Fourth Proportional to 151,559.75, 209,147.64 and 83,579.59

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Solution

The fourth proportional to 151,559.75, 209,147.64 and 83,579.59 is: 115,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,559.75 : 209,147.64 = 83,579.59 : x
  2. Step 2: Convert to fraction form
    151,559.75/209,147.64 = 83,579.59/x
  3. Step 3: Cross multiply
    151,559.75x = 209,147.64 × 83,579.59
  4. Step 4: Simplify right side
    151,559.75x = 17,480,473,477.80
  5. Step 5: Solve for x
    x = 17,480,473,477.80/151,559.75
  6. Step 6: Final answer
    x = 115,337.17

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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.