Home / 161,752.20-242,628.30-91,768.20

Finding the Fourth Proportional to 161,752.20, 242,628.30 and 91,768.20

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Solution

The fourth proportional to 161,752.20, 242,628.30 and 91,768.20 is: 137,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,752.20 : 242,628.30 = 91,768.20 : x
  2. Step 2: Convert to fraction form
    161,752.20/242,628.30 = 91,768.20/x
  3. Step 3: Cross multiply
    161,752.20x = 242,628.30 × 91,768.20
  4. Step 4: Simplify right side
    161,752.20x = 22,265,562,360.06
  5. Step 5: Solve for x
    x = 22,265,562,360.06/161,752.20
  6. Step 6: Final answer
    x = 137,652.30

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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.