Home / 170,013.90-255,030.45-51,689.10

Finding the Fourth Proportional to 170,013.90, 255,030.45 and 51,689.10

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Solution

The fourth proportional to 170,013.90, 255,030.45 and 51,689.10 is: 77,536.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,013.90 : 255,030.45 = 51,689.10 : x
  2. Step 2: Convert to fraction form
    170,013.90/255,030.45 = 51,689.10/x
  3. Step 3: Cross multiply
    170,013.90x = 255,030.45 × 51,689.10
  4. Step 4: Simplify right side
    170,013.90x = 13,182,294,433.10
  5. Step 5: Solve for x
    x = 13,182,294,433.10/170,013.90
  6. Step 6: Final answer
    x = 77,536.57

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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.