Home / 134,889.42-186,146.32-74,459.98

Finding the Fourth Proportional to 134,889.42, 186,146.32 and 74,459.98

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Solution

The fourth proportional to 134,889.42, 186,146.32 and 74,459.98 is: 102,754.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,889.42 : 186,146.32 = 74,459.98 : x
  2. Step 2: Convert to fraction form
    134,889.42/186,146.32 = 74,459.98/x
  3. Step 3: Cross multiply
    134,889.42x = 186,146.32 × 74,459.98
  4. Step 4: Simplify right side
    134,889.42x = 13,860,449,961.24
  5. Step 5: Solve for x
    x = 13,860,449,961.24/134,889.42
  6. Step 6: Final answer
    x = 102,754.17

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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.