Home / 106,557.53-147,068.45-63,539.79

Finding the Fourth Proportional to 106,557.53, 147,068.45 and 63,539.79

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Solution

The fourth proportional to 106,557.53, 147,068.45 and 63,539.79 is: 87,696.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,557.53 : 147,068.45 = 63,539.79 : x
  2. Step 2: Convert to fraction form
    106,557.53/147,068.45 = 63,539.79/x
  3. Step 3: Cross multiply
    106,557.53x = 147,068.45 × 63,539.79
  4. Step 4: Simplify right side
    106,557.53x = 9,344,698,428.63
  5. Step 5: Solve for x
    x = 9,344,698,428.63/106,557.53
  6. Step 6: Final answer
    x = 87,696.27

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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.