Home / 147,856.13-204,041.45-80,788.13

Finding the Fourth Proportional to 147,856.13, 204,041.45 and 80,788.13

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Solution

The fourth proportional to 147,856.13, 204,041.45 and 80,788.13 is: 111,487.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,856.13 : 204,041.45 = 80,788.13 : x
  2. Step 2: Convert to fraction form
    147,856.13/204,041.45 = 80,788.13/x
  3. Step 3: Cross multiply
    147,856.13x = 204,041.45 × 80,788.13
  4. Step 4: Simplify right side
    147,856.13x = 16,484,127,187.99
  5. Step 5: Solve for x
    x = 16,484,127,187.99/147,856.13
  6. Step 6: Final answer
    x = 111,487.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.