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Finding the Fourth Proportional to 162,354.74, 224,045.34 and 90,735.36

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Solution

The fourth proportional to 162,354.74, 224,045.34 and 90,735.36 is: 125,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,354.74 : 224,045.34 = 90,735.36 : x
  2. Step 2: Convert to fraction form
    162,354.74/224,045.34 = 90,735.36/x
  3. Step 3: Cross multiply
    162,354.74x = 224,045.34 × 90,735.36
  4. Step 4: Simplify right side
    162,354.74x = 20,328,834,581.22
  5. Step 5: Solve for x
    x = 20,328,834,581.22/162,354.74
  6. Step 6: Final answer
    x = 125,212.45

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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.