Home / 103,012.14-154,494.01-28,114.48

Finding the Fourth Proportional to 103,012.14, 154,494.01 and 28,114.48

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Solution

The fourth proportional to 103,012.14, 154,494.01 and 28,114.48 is: 42,165.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,012.14 : 154,494.01 = 28,114.48 : x
  2. Step 2: Convert to fraction form
    103,012.14/154,494.01 = 28,114.48/x
  3. Step 3: Cross multiply
    103,012.14x = 154,494.01 × 28,114.48
  4. Step 4: Simplify right side
    103,012.14x = 4,343,518,754.26
  5. Step 5: Solve for x
    x = 4,343,518,754.26/103,012.14
  6. Step 6: Final answer
    x = 42,165.12

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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.