Home / 162,619.31-224,424.05-90,998.70

Finding the Fourth Proportional to 162,619.31, 224,424.05 and 90,998.70

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Solution

The fourth proportional to 162,619.31, 224,424.05 and 90,998.70 is: 125,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,619.31 : 224,424.05 = 90,998.70 : x
  2. Step 2: Convert to fraction form
    162,619.31/224,424.05 = 90,998.70/x
  3. Step 3: Cross multiply
    162,619.31x = 224,424.05 × 90,998.70
  4. Step 4: Simplify right side
    162,619.31x = 20,422,296,343.74
  5. Step 5: Solve for x
    x = 20,422,296,343.74/162,619.31
  6. Step 6: Final answer
    x = 125,583.47

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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.