Home / 74,166.60-102,357.21-42,340.26

Finding the Fourth Proportional to 74,166.60, 102,357.21 and 42,340.26

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Solution

The fourth proportional to 74,166.60, 102,357.21 and 42,340.26 is: 58,433.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,166.60 : 102,357.21 = 42,340.26 : x
  2. Step 2: Convert to fraction form
    74,166.60/102,357.21 = 42,340.26/x
  3. Step 3: Cross multiply
    74,166.60x = 102,357.21 × 42,340.26
  4. Step 4: Simplify right side
    74,166.60x = 4,333,830,884.27
  5. Step 5: Solve for x
    x = 4,333,830,884.27/74,166.60
  6. Step 6: Final answer
    x = 58,433.73

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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.