Home / 143,031.98-214,578.74-48,264.52

Finding the Fourth Proportional to 143,031.98, 214,578.74 and 48,264.52

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Solution

The fourth proportional to 143,031.98, 214,578.74 and 48,264.52 is: 72,407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,031.98 : 214,578.74 = 48,264.52 : x
  2. Step 2: Convert to fraction form
    143,031.98/214,578.74 = 48,264.52/x
  3. Step 3: Cross multiply
    143,031.98x = 214,578.74 × 48,264.52
  4. Step 4: Simplify right side
    143,031.98x = 10,356,539,110.54
  5. Step 5: Solve for x
    x = 10,356,539,110.54/143,031.98
  6. Step 6: Final answer
    x = 72,407.16

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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.