Home / 104,108.76-143,670.87-56,362.91

Finding the Fourth Proportional to 104,108.76, 143,670.87 and 56,362.91

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Solution

The fourth proportional to 104,108.76, 143,670.87 and 56,362.91 is: 77,781.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,108.76 : 143,670.87 = 56,362.91 : x
  2. Step 2: Convert to fraction form
    104,108.76/143,670.87 = 56,362.91/x
  3. Step 3: Cross multiply
    104,108.76x = 143,670.87 × 56,362.91
  4. Step 4: Simplify right side
    104,108.76x = 8,097,707,597.08
  5. Step 5: Solve for x
    x = 8,097,707,597.08/104,108.76
  6. Step 6: Final answer
    x = 77,781.23

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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.