Home / 152,070.86-228,138.89-45,463.16

Finding the Fourth Proportional to 152,070.86, 228,138.89 and 45,463.16

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Solution

The fourth proportional to 152,070.86, 228,138.89 and 45,463.16 is: 68,204.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,070.86 : 228,138.89 = 45,463.16 : x
  2. Step 2: Convert to fraction form
    152,070.86/228,138.89 = 45,463.16/x
  3. Step 3: Cross multiply
    152,070.86x = 228,138.89 × 45,463.16
  4. Step 4: Simplify right side
    152,070.86x = 10,371,913,490.28
  5. Step 5: Solve for x
    x = 10,371,913,490.28/152,070.86
  6. Step 6: Final answer
    x = 68,204.48

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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.