Home / 148,303.29-204,695.16-84,678

Finding the Fourth Proportional to 148,303.29, 204,695.16 and 84,678

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Solution

The fourth proportional to 148,303.29, 204,695.16 and 84,678 is: 116,876.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,303.29 : 204,695.16 = 84,678 : x
  2. Step 2: Convert to fraction form
    148,303.29/204,695.16 = 84,678/x
  3. Step 3: Cross multiply
    148,303.29x = 204,695.16 × 84,678
  4. Step 4: Simplify right side
    148,303.29x = 17,333,176,758.48
  5. Step 5: Solve for x
    x = 17,333,176,758.48/148,303.29
  6. Step 6: Final answer
    x = 116,876.55

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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.