Home / 103,669.77-155,502.81-33,549.15

Finding the Fourth Proportional to 103,669.77, 155,502.81 and 33,549.15

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Solution

The fourth proportional to 103,669.77, 155,502.81 and 33,549.15 is: 50,323.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,669.77 : 155,502.81 = 33,549.15 : x
  2. Step 2: Convert to fraction form
    103,669.77/155,502.81 = 33,549.15/x
  3. Step 3: Cross multiply
    103,669.77x = 155,502.81 × 33,549.15
  4. Step 4: Simplify right side
    103,669.77x = 5,216,987,098.11
  5. Step 5: Solve for x
    x = 5,216,987,098.11/103,669.77
  6. Step 6: Final answer
    x = 50,323.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.