Home / 74,000.04-102,122.82-42,168.12

Finding the Fourth Proportional to 74,000.04, 102,122.82 and 42,168.12

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Solution

The fourth proportional to 74,000.04, 102,122.82 and 42,168.12 is: 58,193.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,000.04 : 102,122.82 = 42,168.12 : x
  2. Step 2: Convert to fraction form
    74,000.04/102,122.82 = 42,168.12/x
  3. Step 3: Cross multiply
    74,000.04x = 102,122.82 × 42,168.12
  4. Step 4: Simplify right side
    74,000.04x = 4,306,327,328.50
  5. Step 5: Solve for x
    x = 4,306,327,328.50/74,000.04
  6. Step 6: Final answer
    x = 58,193.58

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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.