Home / 134,450.08-185,539.61-74,019.47

Finding the Fourth Proportional to 134,450.08, 185,539.61 and 74,019.47

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Solution

The fourth proportional to 134,450.08, 185,539.61 and 74,019.47 is: 102,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,450.08 : 185,539.61 = 74,019.47 : x
  2. Step 2: Convert to fraction form
    134,450.08/185,539.61 = 74,019.47/x
  3. Step 3: Cross multiply
    134,450.08x = 185,539.61 × 74,019.47
  4. Step 4: Simplify right side
    134,450.08x = 13,733,543,897.22
  5. Step 5: Solve for x
    x = 13,733,543,897.22/134,450.08
  6. Step 6: Final answer
    x = 102,146.05

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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.