Home / 247,342.42-371,014.71-105,151.06

Finding the Fourth Proportional to 247,342.42, 371,014.71 and 105,151.06

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Solution

The fourth proportional to 247,342.42, 371,014.71 and 105,151.06 is: 157,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,342.42 : 371,014.71 = 105,151.06 : x
  2. Step 2: Convert to fraction form
    247,342.42/371,014.71 = 105,151.06/x
  3. Step 3: Cross multiply
    247,342.42x = 371,014.71 × 105,151.06
  4. Step 4: Simplify right side
    247,342.42x = 39,012,590,032.09
  5. Step 5: Solve for x
    x = 39,012,590,032.09/247,342.42
  6. Step 6: Final answer
    x = 157,727.05

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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.