Home / 152,415.34-228,539.49-47,205.10

Finding the Fourth Proportional to 152,415.34, 228,539.49 and 47,205.10

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Solution

The fourth proportional to 152,415.34, 228,539.49 and 47,205.10 is: 70,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,415.34 : 228,539.49 = 47,205.10 : x
  2. Step 2: Convert to fraction form
    152,415.34/228,539.49 = 47,205.10/x
  3. Step 3: Cross multiply
    152,415.34x = 228,539.49 × 47,205.10
  4. Step 4: Simplify right side
    152,415.34x = 10,788,229,479.40
  5. Step 5: Solve for x
    x = 10,788,229,479.40/152,415.34
  6. Step 6: Final answer
    x = 70,781.78

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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.