Home / 143,886.12-215,848.90-49,090.86

Finding the Fourth Proportional to 143,886.12, 215,848.90 and 49,090.86

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Solution

The fourth proportional to 143,886.12, 215,848.90 and 49,090.86 is: 73,643.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,886.12 : 215,848.90 = 49,090.86 : x
  2. Step 2: Convert to fraction form
    143,886.12/215,848.90 = 49,090.86/x
  3. Step 3: Cross multiply
    143,886.12x = 215,848.90 × 49,090.86
  4. Step 4: Simplify right side
    143,886.12x = 10,596,208,131.05
  5. Step 5: Solve for x
    x = 10,596,208,131.05/143,886.12
  6. Step 6: Final answer
    x = 73,643.02

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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.