Home / 152,960.04-210,999.78-142,135.32

Finding the Fourth Proportional to 152,960.04, 210,999.78 and 142,135.32

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Solution

The fourth proportional to 152,960.04, 210,999.78 and 142,135.32 is: 196,067.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,960.04 : 210,999.78 = 142,135.32 : x
  2. Step 2: Convert to fraction form
    152,960.04/210,999.78 = 142,135.32/x
  3. Step 3: Cross multiply
    152,960.04x = 210,999.78 × 142,135.32
  4. Step 4: Simplify right side
    152,960.04x = 29,990,521,250.23
  5. Step 5: Solve for x
    x = 29,990,521,250.23/152,960.04
  6. Step 6: Final answer
    x = 196,067.69

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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.