Home / 162,476.20-224,215.62-90,855.40

Finding the Fourth Proportional to 162,476.20, 224,215.62 and 90,855.40

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Solution

The fourth proportional to 162,476.20, 224,215.62 and 90,855.40 is: 125,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,476.20 : 224,215.62 = 90,855.40 : x
  2. Step 2: Convert to fraction form
    162,476.20/224,215.62 = 90,855.40/x
  3. Step 3: Cross multiply
    162,476.20x = 224,215.62 × 90,855.40
  4. Step 4: Simplify right side
    162,476.20x = 20,371,199,841.35
  5. Step 5: Solve for x
    x = 20,371,199,841.35/162,476.20
  6. Step 6: Final answer
    x = 125,379.59

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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.