Home / 143,987.22-215,999.06-49,235.58

Finding the Fourth Proportional to 143,987.22, 215,999.06 and 49,235.58

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Solution

The fourth proportional to 143,987.22, 215,999.06 and 49,235.58 is: 73,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,987.22 : 215,999.06 = 49,235.58 : x
  2. Step 2: Convert to fraction form
    143,987.22/215,999.06 = 49,235.58/x
  3. Step 3: Cross multiply
    143,987.22x = 215,999.06 × 49,235.58
  4. Step 4: Simplify right side
    143,987.22x = 10,634,838,752.38
  5. Step 5: Solve for x
    x = 10,634,838,752.38/143,987.22
  6. Step 6: Final answer
    x = 73,859.60

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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.