Home / 105,005.92-157,509.45-26,120.15

Finding the Fourth Proportional to 105,005.92, 157,509.45 and 26,120.15

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Solution

The fourth proportional to 105,005.92, 157,509.45 and 26,120.15 is: 39,180.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,005.92 : 157,509.45 = 26,120.15 : x
  2. Step 2: Convert to fraction form
    105,005.92/157,509.45 = 26,120.15/x
  3. Step 3: Cross multiply
    105,005.92x = 157,509.45 × 26,120.15
  4. Step 4: Simplify right side
    105,005.92x = 4,114,170,066.64
  5. Step 5: Solve for x
    x = 4,114,170,066.64/105,005.92
  6. Step 6: Final answer
    x = 39,180.36

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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.