Home / 164,815.20-247,514.40-127,466.10

Finding the Fourth Proportional to 164,815.20, 247,514.40 and 127,466.10

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Solution

The fourth proportional to 164,815.20, 247,514.40 and 127,466.10 is: 191,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,815.20 : 247,514.40 = 127,466.10 : x
  2. Step 2: Convert to fraction form
    164,815.20/247,514.40 = 127,466.10/x
  3. Step 3: Cross multiply
    164,815.20x = 247,514.40 × 127,466.10
  4. Step 4: Simplify right side
    164,815.20x = 31,549,695,261.84
  5. Step 5: Solve for x
    x = 31,549,695,261.84/164,815.20
  6. Step 6: Final answer
    x = 191,424.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.