Home / 152,717.48-228,957.30-72,714.28

Finding the Fourth Proportional to 152,717.48, 228,957.30 and 72,714.28

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Solution

The fourth proportional to 152,717.48, 228,957.30 and 72,714.28 is: 109,014.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,717.48 : 228,957.30 = 72,714.28 : x
  2. Step 2: Convert to fraction form
    152,717.48/228,957.30 = 72,714.28/x
  3. Step 3: Cross multiply
    152,717.48x = 228,957.30 × 72,714.28
  4. Step 4: Simplify right side
    152,717.48x = 16,648,465,220.24
  5. Step 5: Solve for x
    x = 16,648,465,220.24/152,717.48
  6. Step 6: Final answer
    x = 109,014.80

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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.