Home / 119,309.28-178,852.64-40,368.56

Finding the Fourth Proportional to 119,309.28, 178,852.64 and 40,368.56

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Solution

The fourth proportional to 119,309.28, 178,852.64 and 40,368.56 is: 60,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,309.28 : 178,852.64 = 40,368.56 : x
  2. Step 2: Convert to fraction form
    119,309.28/178,852.64 = 40,368.56/x
  3. Step 3: Cross multiply
    119,309.28x = 178,852.64 × 40,368.56
  4. Step 4: Simplify right side
    119,309.28x = 7,220,023,529.00
  5. Step 5: Solve for x
    x = 7,220,023,529.00/119,309.28
  6. Step 6: Final answer
    x = 60,515.19

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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.