Home / 131,464.34-181,420.93-71,035.10

Finding the Fourth Proportional to 131,464.34, 181,420.93 and 71,035.10

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Solution

The fourth proportional to 131,464.34, 181,420.93 and 71,035.10 is: 98,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,464.34 : 181,420.93 = 71,035.10 : x
  2. Step 2: Convert to fraction form
    131,464.34/181,420.93 = 71,035.10/x
  3. Step 3: Cross multiply
    131,464.34x = 181,420.93 × 71,035.10
  4. Step 4: Simplify right side
    131,464.34x = 12,887,253,904.64
  5. Step 5: Solve for x
    x = 12,887,253,904.64/131,464.34
  6. Step 6: Final answer
    x = 98,028.51

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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.