Home / 152,613.80-228,920.70-47,443.40

Finding the Fourth Proportional to 152,613.80, 228,920.70 and 47,443.40

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Solution

The fourth proportional to 152,613.80, 228,920.70 and 47,443.40 is: 71,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,613.80 : 228,920.70 = 47,443.40 : x
  2. Step 2: Convert to fraction form
    152,613.80/228,920.70 = 47,443.40/x
  3. Step 3: Cross multiply
    152,613.80x = 228,920.70 × 47,443.40
  4. Step 4: Simplify right side
    152,613.80x = 10,860,776,338.38
  5. Step 5: Solve for x
    x = 10,860,776,338.38/152,613.80
  6. Step 6: Final answer
    x = 71,165.10

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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.