Home / 149,032.62-205,604.36-84,488.17

Finding the Fourth Proportional to 149,032.62, 205,604.36 and 84,488.17

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Solution

The fourth proportional to 149,032.62, 205,604.36 and 84,488.17 is: 116,559.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,032.62 : 205,604.36 = 84,488.17 : x
  2. Step 2: Convert to fraction form
    149,032.62/205,604.36 = 84,488.17/x
  3. Step 3: Cross multiply
    149,032.62x = 205,604.36 × 84,488.17
  4. Step 4: Simplify right side
    149,032.62x = 17,371,136,271.82
  5. Step 5: Solve for x
    x = 17,371,136,271.82/149,032.62
  6. Step 6: Final answer
    x = 116,559.29

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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.