Home / 106,098.79-146,417.31-57,701.18

Finding the Fourth Proportional to 106,098.79, 146,417.31 and 57,701.18

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Solution

The fourth proportional to 106,098.79, 146,417.31 and 57,701.18 is: 79,628.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,098.79 : 146,417.31 = 57,701.18 : x
  2. Step 2: Convert to fraction form
    106,098.79/146,417.31 = 57,701.18/x
  3. Step 3: Cross multiply
    106,098.79x = 146,417.31 × 57,701.18
  4. Step 4: Simplify right side
    106,098.79x = 8,448,450,827.34
  5. Step 5: Solve for x
    x = 8,448,450,827.34/106,098.79
  6. Step 6: Final answer
    x = 79,628.15

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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.