Home / 131,991.45-182,298.54-89,476.17

Finding the Fourth Proportional to 131,991.45, 182,298.54 and 89,476.17

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Solution

The fourth proportional to 131,991.45, 182,298.54 and 89,476.17 is: 123,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,991.45 : 182,298.54 = 89,476.17 : x
  2. Step 2: Convert to fraction form
    131,991.45/182,298.54 = 89,476.17/x
  3. Step 3: Cross multiply
    131,991.45x = 182,298.54 × 89,476.17
  4. Step 4: Simplify right side
    131,991.45x = 16,311,374,807.71
  5. Step 5: Solve for x
    x = 16,311,374,807.71/131,991.45
  6. Step 6: Final answer
    x = 123,579.03

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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.