Home / 247,965.40-342,192.47-134,788.15

Finding the Fourth Proportional to 247,965.40, 342,192.47 and 134,788.15

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Solution

The fourth proportional to 247,965.40, 342,192.47 and 134,788.15 is: 186,007.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,965.40 : 342,192.47 = 134,788.15 : x
  2. Step 2: Convert to fraction form
    247,965.40/342,192.47 = 134,788.15/x
  3. Step 3: Cross multiply
    247,965.40x = 342,192.47 × 134,788.15
  4. Step 4: Simplify right side
    247,965.40x = 46,123,489,975.23
  5. Step 5: Solve for x
    x = 46,123,489,975.23/247,965.40
  6. Step 6: Final answer
    x = 186,007.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.