Home / 134,890.30-186,146.37-74,459.38

Finding the Fourth Proportional to 134,890.30, 186,146.37 and 74,459.38

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Solution

The fourth proportional to 134,890.30, 186,146.37 and 74,459.38 is: 102,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,890.30 : 186,146.37 = 74,459.38 : x
  2. Step 2: Convert to fraction form
    134,890.30/186,146.37 = 74,459.38/x
  3. Step 3: Cross multiply
    134,890.30x = 186,146.37 × 74,459.38
  4. Step 4: Simplify right side
    134,890.30x = 13,860,342,834.08
  5. Step 5: Solve for x
    x = 13,860,342,834.08/134,890.30
  6. Step 6: Final answer
    x = 102,752.70

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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.