Home / 103,266.48-154,901.43-28,386.17

Finding the Fourth Proportional to 103,266.48, 154,901.43 and 28,386.17

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Solution

The fourth proportional to 103,266.48, 154,901.43 and 28,386.17 is: 42,579.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,266.48 : 154,901.43 = 28,386.17 : x
  2. Step 2: Convert to fraction form
    103,266.48/154,901.43 = 28,386.17/x
  3. Step 3: Cross multiply
    103,266.48x = 154,901.43 × 28,386.17
  4. Step 4: Simplify right side
    103,266.48x = 4,397,058,325.22
  5. Step 5: Solve for x
    x = 4,397,058,325.22/103,266.48
  6. Step 6: Final answer
    x = 42,579.73

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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.