Home / 147,412.17-203,428.98-80,344.17

Finding the Fourth Proportional to 147,412.17, 203,428.98 and 80,344.17

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Solution

The fourth proportional to 147,412.17, 203,428.98 and 80,344.17 is: 110,875.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,412.17 : 203,428.98 = 80,344.17 : x
  2. Step 2: Convert to fraction form
    147,412.17/203,428.98 = 80,344.17/x
  3. Step 3: Cross multiply
    147,412.17x = 203,428.98 × 80,344.17
  4. Step 4: Simplify right side
    147,412.17x = 16,344,332,552.05
  5. Step 5: Solve for x
    x = 16,344,332,552.05/147,412.17
  6. Step 6: Final answer
    x = 110,875.06

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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.