Home / 245,116.90-367,675.64-76,638.11

Finding the Fourth Proportional to 245,116.90, 367,675.64 and 76,638.11

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Solution

The fourth proportional to 245,116.90, 367,675.64 and 76,638.11 is: 114,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,116.90 : 367,675.64 = 76,638.11 : x
  2. Step 2: Convert to fraction form
    245,116.90/367,675.64 = 76,638.11/x
  3. Step 3: Cross multiply
    245,116.90x = 367,675.64 × 76,638.11
  4. Step 4: Simplify right side
    245,116.90x = 28,177,966,678.64
  5. Step 5: Solve for x
    x = 28,177,966,678.64/245,116.90
  6. Step 6: Final answer
    x = 114,957.26

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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.