Home / 177,461.90-245,007.96-112,967.54

Finding the Fourth Proportional to 177,461.90, 245,007.96 and 112,967.54

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Solution

The fourth proportional to 177,461.90, 245,007.96 and 112,967.54 is: 155,965.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,461.90 : 245,007.96 = 112,967.54 : x
  2. Step 2: Convert to fraction form
    177,461.90/245,007.96 = 112,967.54/x
  3. Step 3: Cross multiply
    177,461.90x = 245,007.96 × 112,967.54
  4. Step 4: Simplify right side
    177,461.90x = 27,677,946,521.62
  5. Step 5: Solve for x
    x = 27,677,946,521.62/177,461.90
  6. Step 6: Final answer
    x = 155,965.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.