Home / 74,017.60-102,150.88-42,179.84

Finding the Fourth Proportional to 74,017.60, 102,150.88 and 42,179.84

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Solution

The fourth proportional to 74,017.60, 102,150.88 and 42,179.84 is: 58,211.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,017.60 : 102,150.88 = 42,179.84 : x
  2. Step 2: Convert to fraction form
    74,017.60/102,150.88 = 42,179.84/x
  3. Step 3: Cross multiply
    74,017.60x = 102,150.88 × 42,179.84
  4. Step 4: Simplify right side
    74,017.60x = 4,308,707,774.26
  5. Step 5: Solve for x
    x = 4,308,707,774.26/74,017.60
  6. Step 6: Final answer
    x = 58,211.94

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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.