Home / 131,403.37-197,102.28-42,656.75

Finding the Fourth Proportional to 131,403.37, 197,102.28 and 42,656.75

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Solution

The fourth proportional to 131,403.37, 197,102.28 and 42,656.75 is: 63,984.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,403.37 : 197,102.28 = 42,656.75 : x
  2. Step 2: Convert to fraction form
    131,403.37/197,102.28 = 42,656.75/x
  3. Step 3: Cross multiply
    131,403.37x = 197,102.28 × 42,656.75
  4. Step 4: Simplify right side
    131,403.37x = 8,407,742,682.39
  5. Step 5: Solve for x
    x = 8,407,742,682.39/131,403.37
  6. Step 6: Final answer
    x = 63,984.22

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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.