Home / 185,513.02-278,313.21-147,705.28

Finding the Fourth Proportional to 185,513.02, 278,313.21 and 147,705.28

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Solution

The fourth proportional to 185,513.02, 278,313.21 and 147,705.28 is: 221,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,513.02 : 278,313.21 = 147,705.28 : x
  2. Step 2: Convert to fraction form
    185,513.02/278,313.21 = 147,705.28/x
  3. Step 3: Cross multiply
    185,513.02x = 278,313.21 × 147,705.28
  4. Step 4: Simplify right side
    185,513.02x = 41,108,330,610.75
  5. Step 5: Solve for x
    x = 41,108,330,610.75/185,513.02
  6. Step 6: Final answer
    x = 221,592.70

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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.