Home / 105,260.86-157,891.07-42,095.75

Finding the Fourth Proportional to 105,260.86, 157,891.07 and 42,095.75

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Solution

The fourth proportional to 105,260.86, 157,891.07 and 42,095.75 is: 63,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,260.86 : 157,891.07 = 42,095.75 : x
  2. Step 2: Convert to fraction form
    105,260.86/157,891.07 = 42,095.75/x
  3. Step 3: Cross multiply
    105,260.86x = 157,891.07 × 42,095.75
  4. Step 4: Simplify right side
    105,260.86x = 6,646,542,325.74
  5. Step 5: Solve for x
    x = 6,646,542,325.74/105,260.86
  6. Step 6: Final answer
    x = 63,143.53

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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.