Home / 101,625.10-152,453.85-42,430.30

Finding the Fourth Proportional to 101,625.10, 152,453.85 and 42,430.30

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Solution

The fourth proportional to 101,625.10, 152,453.85 and 42,430.30 is: 63,652.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,625.10 : 152,453.85 = 42,430.30 : x
  2. Step 2: Convert to fraction form
    101,625.10/152,453.85 = 42,430.30/x
  3. Step 3: Cross multiply
    101,625.10x = 152,453.85 × 42,430.30
  4. Step 4: Simplify right side
    101,625.10x = 6,468,662,591.66
  5. Step 5: Solve for x
    x = 6,468,662,591.66/101,625.10
  6. Step 6: Final answer
    x = 63,652.21

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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.