Home / 162,520.09-224,284.34-89,921.80

Finding the Fourth Proportional to 162,520.09, 224,284.34 and 89,921.80

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Solution

The fourth proportional to 162,520.09, 224,284.34 and 89,921.80 is: 124,095.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,520.09 : 224,284.34 = 89,921.80 : x
  2. Step 2: Convert to fraction form
    162,520.09/224,284.34 = 89,921.80/x
  3. Step 3: Cross multiply
    162,520.09x = 224,284.34 × 89,921.80
  4. Step 4: Simplify right side
    162,520.09x = 20,168,052,053.05
  5. Step 5: Solve for x
    x = 20,168,052,053.05/162,520.09
  6. Step 6: Final answer
    x = 124,095.75

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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.