Home / 152,637.86-228,967.71-40,316.95

Finding the Fourth Proportional to 152,637.86, 228,967.71 and 40,316.95

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Solution

The fourth proportional to 152,637.86, 228,967.71 and 40,316.95 is: 60,478.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,637.86 : 228,967.71 = 40,316.95 : x
  2. Step 2: Convert to fraction form
    152,637.86/228,967.71 = 40,316.95/x
  3. Step 3: Cross multiply
    152,637.86x = 228,967.71 × 40,316.95
  4. Step 4: Simplify right side
    152,637.86x = 9,231,279,143.27
  5. Step 5: Solve for x
    x = 9,231,279,143.27/152,637.86
  6. Step 6: Final answer
    x = 60,478.31

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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.