Home / 161,068.70-222,275.18-89,448.74

Finding the Fourth Proportional to 161,068.70, 222,275.18 and 89,448.74

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Solution

The fourth proportional to 161,068.70, 222,275.18 and 89,448.74 is: 123,439.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,068.70 : 222,275.18 = 89,448.74 : x
  2. Step 2: Convert to fraction form
    161,068.70/222,275.18 = 89,448.74/x
  3. Step 3: Cross multiply
    161,068.70x = 222,275.18 × 89,448.74
  4. Step 4: Simplify right side
    161,068.70x = 19,882,234,784.27
  5. Step 5: Solve for x
    x = 19,882,234,784.27/161,068.70
  6. Step 6: Final answer
    x = 123,439.47

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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.