Home / 162,327.21-224,011.08-90,707.28

Finding the Fourth Proportional to 162,327.21, 224,011.08 and 90,707.28

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Solution

The fourth proportional to 162,327.21, 224,011.08 and 90,707.28 is: 125,175.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,327.21 : 224,011.08 = 90,707.28 : x
  2. Step 2: Convert to fraction form
    162,327.21/224,011.08 = 90,707.28/x
  3. Step 3: Cross multiply
    162,327.21x = 224,011.08 × 90,707.28
  4. Step 4: Simplify right side
    162,327.21x = 20,319,435,756.66
  5. Step 5: Solve for x
    x = 20,319,435,756.66/162,327.21
  6. Step 6: Final answer
    x = 125,175.78

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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.