Home / 101,420.40-152,086.23-48,127.62

Finding the Fourth Proportional to 101,420.40, 152,086.23 and 48,127.62

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Solution

The fourth proportional to 101,420.40, 152,086.23 and 48,127.62 is: 72,170.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,420.40 : 152,086.23 = 48,127.62 : x
  2. Step 2: Convert to fraction form
    101,420.40/152,086.23 = 48,127.62/x
  3. Step 3: Cross multiply
    101,420.40x = 152,086.23 × 48,127.62
  4. Step 4: Simplify right side
    101,420.40x = 7,319,548,284.67
  5. Step 5: Solve for x
    x = 7,319,548,284.67/101,420.40
  6. Step 6: Final answer
    x = 72,170.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.