Home / 272,643.74-409,012.05-92,710.34

Finding the Fourth Proportional to 272,643.74, 409,012.05 and 92,710.34

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Solution

The fourth proportional to 272,643.74, 409,012.05 and 92,710.34 is: 139,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,643.74 : 409,012.05 = 92,710.34 : x
  2. Step 2: Convert to fraction form
    272,643.74/409,012.05 = 92,710.34/x
  3. Step 3: Cross multiply
    272,643.74x = 409,012.05 × 92,710.34
  4. Step 4: Simplify right side
    272,643.74x = 37,919,646,219.60
  5. Step 5: Solve for x
    x = 37,919,646,219.60/272,643.74
  6. Step 6: Final answer
    x = 139,081.30

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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.