Home / 131,035.84-180,829.61-74,458.15

Finding the Fourth Proportional to 131,035.84, 180,829.61 and 74,458.15

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Solution

The fourth proportional to 131,035.84, 180,829.61 and 74,458.15 is: 102,752.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,035.84 : 180,829.61 = 74,458.15 : x
  2. Step 2: Convert to fraction form
    131,035.84/180,829.61 = 74,458.15/x
  3. Step 3: Cross multiply
    131,035.84x = 180,829.61 × 74,458.15
  4. Step 4: Simplify right side
    131,035.84x = 13,464,238,225.82
  5. Step 5: Solve for x
    x = 13,464,238,225.82/131,035.84
  6. Step 6: Final answer
    x = 102,752.33

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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.