Home / 155,643.86-233,091.51-88,881.63

Finding the Fourth Proportional to 155,643.86, 233,091.51 and 88,881.63

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Solution

The fourth proportional to 155,643.86, 233,091.51 and 88,881.63 is: 133,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,643.86 : 233,091.51 = 88,881.63 : x
  2. Step 2: Convert to fraction form
    155,643.86/233,091.51 = 88,881.63/x
  3. Step 3: Cross multiply
    155,643.86x = 233,091.51 × 88,881.63
  4. Step 4: Simplify right side
    155,643.86x = 20,717,553,347.96
  5. Step 5: Solve for x
    x = 20,717,553,347.96/155,643.86
  6. Step 6: Final answer
    x = 133,108.71

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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.