Home / 152,275.34-228,262.32-72,172.52

Finding the Fourth Proportional to 152,275.34, 228,262.32 and 72,172.52

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Solution

The fourth proportional to 152,275.34, 228,262.32 and 72,172.52 is: 108,187.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,275.34 : 228,262.32 = 72,172.52 : x
  2. Step 2: Convert to fraction form
    152,275.34/228,262.32 = 72,172.52/x
  3. Step 3: Cross multiply
    152,275.34x = 228,262.32 × 72,172.52
  4. Step 4: Simplify right side
    152,275.34x = 16,474,266,855.45
  5. Step 5: Solve for x
    x = 16,474,266,855.45/152,275.34
  6. Step 6: Final answer
    x = 108,187.36

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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.