Home / 272,830.60-409,148.70-95,343.40

Finding the Fourth Proportional to 272,830.60, 409,148.70 and 95,343.40

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Solution

The fourth proportional to 272,830.60, 409,148.70 and 95,343.40 is: 142,981.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,830.60 : 409,148.70 = 95,343.40 : x
  2. Step 2: Convert to fraction form
    272,830.60/409,148.70 = 95,343.40/x
  3. Step 3: Cross multiply
    272,830.60x = 409,148.70 × 95,343.40
  4. Step 4: Simplify right side
    272,830.60x = 39,009,628,163.58
  5. Step 5: Solve for x
    x = 39,009,628,163.58/272,830.60
  6. Step 6: Final answer
    x = 142,981.13

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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.