Home / 101,045.07-139,445.35-62,291.43

Finding the Fourth Proportional to 101,045.07, 139,445.35 and 62,291.43

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Solution

The fourth proportional to 101,045.07, 139,445.35 and 62,291.43 is: 85,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,045.07 : 139,445.35 = 62,291.43 : x
  2. Step 2: Convert to fraction form
    101,045.07/139,445.35 = 62,291.43/x
  3. Step 3: Cross multiply
    101,045.07x = 139,445.35 × 62,291.43
  4. Step 4: Simplify right side
    101,045.07x = 8,686,250,102.62
  5. Step 5: Solve for x
    x = 8,686,250,102.62/101,045.07
  6. Step 6: Final answer
    x = 85,964.12

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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.