Home / 162,519.39-224,275.47-90,899.37

Finding the Fourth Proportional to 162,519.39, 224,275.47 and 90,899.37

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Solution

The fourth proportional to 162,519.39, 224,275.47 and 90,899.37 is: 125,440.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,519.39 : 224,275.47 = 90,899.37 : x
  2. Step 2: Convert to fraction form
    162,519.39/224,275.47 = 90,899.37/x
  3. Step 3: Cross multiply
    162,519.39x = 224,275.47 × 90,899.37
  4. Step 4: Simplify right side
    162,519.39x = 20,386,498,929.45
  5. Step 5: Solve for x
    x = 20,386,498,929.45/162,519.39
  6. Step 6: Final answer
    x = 125,440.41

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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.