Home / 177,048.90-265,614.79-70,438.89

Finding the Fourth Proportional to 177,048.90, 265,614.79 and 70,438.89

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Solution

The fourth proportional to 177,048.90, 265,614.79 and 70,438.89 is: 105,674.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,048.90 : 265,614.79 = 70,438.89 : x
  2. Step 2: Convert to fraction form
    177,048.90/265,614.79 = 70,438.89/x
  3. Step 3: Cross multiply
    177,048.90x = 265,614.79 × 70,438.89
  4. Step 4: Simplify right side
    177,048.90x = 18,709,610,975.18
  5. Step 5: Solve for x
    x = 18,709,610,975.18/177,048.90
  6. Step 6: Final answer
    x = 105,674.82

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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.