Home / 155,478.79-233,234.84-43,159.48

Finding the Fourth Proportional to 155,478.79, 233,234.84 and 43,159.48

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Solution

The fourth proportional to 155,478.79, 233,234.84 and 43,159.48 is: 64,743.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,478.79 : 233,234.84 = 43,159.48 : x
  2. Step 2: Convert to fraction form
    155,478.79/233,234.84 = 43,159.48/x
  3. Step 3: Cross multiply
    155,478.79x = 233,234.84 × 43,159.48
  4. Step 4: Simplify right side
    155,478.79x = 10,066,294,412.28
  5. Step 5: Solve for x
    x = 10,066,294,412.28/155,478.79
  6. Step 6: Final answer
    x = 64,743.84

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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.