Home / 103,962.48-143,467.92-56,215.68

Finding the Fourth Proportional to 103,962.48, 143,467.92 and 56,215.68

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Solution

The fourth proportional to 103,962.48, 143,467.92 and 56,215.68 is: 77,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,962.48 : 143,467.92 = 56,215.68 : x
  2. Step 2: Convert to fraction form
    103,962.48/143,467.92 = 56,215.68/x
  3. Step 3: Cross multiply
    103,962.48x = 143,467.92 × 56,215.68
  4. Step 4: Simplify right side
    103,962.48x = 8,065,146,680.99
  5. Step 5: Solve for x
    x = 8,065,146,680.99/103,962.48
  6. Step 6: Final answer
    x = 77,577.47

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1.5x scale

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.