Home / 152,111.80-228,167.70-102,345.40

Finding the Fourth Proportional to 152,111.80, 228,167.70 and 102,345.40

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Solution

The fourth proportional to 152,111.80, 228,167.70 and 102,345.40 is: 153,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,111.80 : 228,167.70 = 102,345.40 : x
  2. Step 2: Convert to fraction form
    152,111.80/228,167.70 = 102,345.40/x
  3. Step 3: Cross multiply
    152,111.80x = 228,167.70 × 102,345.40
  4. Step 4: Simplify right side
    152,111.80x = 23,351,914,523.58
  5. Step 5: Solve for x
    x = 23,351,914,523.58/152,111.80
  6. Step 6: Final answer
    x = 153,518.10

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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.