Home / 153,215.54-229,929-53,376.56

Finding the Fourth Proportional to 153,215.54, 229,929 and 53,376.56

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Solution

The fourth proportional to 153,215.54, 229,929 and 53,376.56 is: 80,101.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,215.54 : 229,929 = 53,376.56 : x
  2. Step 2: Convert to fraction form
    153,215.54/229,929 = 53,376.56/x
  3. Step 3: Cross multiply
    153,215.54x = 229,929 × 53,376.56
  4. Step 4: Simplify right side
    153,215.54x = 12,272,819,064.24
  5. Step 5: Solve for x
    x = 12,272,819,064.24/153,215.54
  6. Step 6: Final answer
    x = 80,101.66

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1.5x scale

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.