Home / 151,738.65-209,483.21-91,324.13

Finding the Fourth Proportional to 151,738.65, 209,483.21 and 91,324.13

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Solution

The fourth proportional to 151,738.65, 209,483.21 and 91,324.13 is: 126,077.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,738.65 : 209,483.21 = 91,324.13 : x
  2. Step 2: Convert to fraction form
    151,738.65/209,483.21 = 91,324.13/x
  3. Step 3: Cross multiply
    151,738.65x = 209,483.21 × 91,324.13
  4. Step 4: Simplify right side
    151,738.65x = 19,130,871,083.75
  5. Step 5: Solve for x
    x = 19,130,871,083.75/151,738.65
  6. Step 6: Final answer
    x = 126,077.77

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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.