Home / 151,550.00-209,210.73-87,864.56

Finding the Fourth Proportional to 151,550.00, 209,210.73 and 87,864.56

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Solution

The fourth proportional to 151,550.00, 209,210.73 and 87,864.56 is: 121,294.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,550.00 : 209,210.73 = 87,864.56 : x
  2. Step 2: Convert to fraction form
    151,550.00/209,210.73 = 87,864.56/x
  3. Step 3: Cross multiply
    151,550.00x = 209,210.73 × 87,864.56
  4. Step 4: Simplify right side
    151,550.00x = 18,382,208,806.71
  5. Step 5: Solve for x
    x = 18,382,208,806.71/151,550.00
  6. Step 6: Final answer
    x = 121,294.68

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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.