Home / 102,419.40-153,650.70-43,224.60

Finding the Fourth Proportional to 102,419.40, 153,650.70 and 43,224.60

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Solution

The fourth proportional to 102,419.40, 153,650.70 and 43,224.60 is: 64,846.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,419.40 : 153,650.70 = 43,224.60 : x
  2. Step 2: Convert to fraction form
    102,419.40/153,650.70 = 43,224.60/x
  3. Step 3: Cross multiply
    102,419.40x = 153,650.70 × 43,224.60
  4. Step 4: Simplify right side
    102,419.40x = 6,641,490,047.22
  5. Step 5: Solve for x
    x = 6,641,490,047.22/102,419.40
  6. Step 6: Final answer
    x = 64,846.02

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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.