Home / 99,014.22-136,646.87-56,571.84

Finding the Fourth Proportional to 99,014.22, 136,646.87 and 56,571.84

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Solution

The fourth proportional to 99,014.22, 136,646.87 and 56,571.84 is: 78,073.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,014.22 : 136,646.87 = 56,571.84 : x
  2. Step 2: Convert to fraction form
    99,014.22/136,646.87 = 56,571.84/x
  3. Step 3: Cross multiply
    99,014.22x = 136,646.87 × 56,571.84
  4. Step 4: Simplify right side
    99,014.22x = 7,730,364,583.28
  5. Step 5: Solve for x
    x = 7,730,364,583.28/99,014.22
  6. Step 6: Final answer
    x = 78,073.28

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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.