Home / 104,987.41-157,457.79-30,107.23

Finding the Fourth Proportional to 104,987.41, 157,457.79 and 30,107.23

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Solution

The fourth proportional to 104,987.41, 157,457.79 and 30,107.23 is: 45,154.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,987.41 : 157,457.79 = 30,107.23 : x
  2. Step 2: Convert to fraction form
    104,987.41/157,457.79 = 30,107.23/x
  3. Step 3: Cross multiply
    104,987.41x = 157,457.79 × 30,107.23
  4. Step 4: Simplify right side
    104,987.41x = 4,740,617,505.18
  5. Step 5: Solve for x
    x = 4,740,617,505.18/104,987.41
  6. Step 6: Final answer
    x = 45,154.15

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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.