Home / 102,219.23-153,360.25-52,334.35

Finding the Fourth Proportional to 102,219.23, 153,360.25 and 52,334.35

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Solution

The fourth proportional to 102,219.23, 153,360.25 and 52,334.35 is: 78,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,219.23 : 153,360.25 = 52,334.35 : x
  2. Step 2: Convert to fraction form
    102,219.23/153,360.25 = 52,334.35/x
  3. Step 3: Cross multiply
    102,219.23x = 153,360.25 × 52,334.35
  4. Step 4: Simplify right side
    102,219.23x = 8,026,008,485.35
  5. Step 5: Solve for x
    x = 8,026,008,485.35/102,219.23
  6. Step 6: Final answer
    x = 78,517.60

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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.