Home / 107,263.04-147,971.52-78,537.44

Finding the Fourth Proportional to 107,263.04, 147,971.52 and 78,537.44

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Solution

The fourth proportional to 107,263.04, 147,971.52 and 78,537.44 is: 108,343.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,263.04 : 147,971.52 = 78,537.44 : x
  2. Step 2: Convert to fraction form
    107,263.04/147,971.52 = 78,537.44/x
  3. Step 3: Cross multiply
    107,263.04x = 147,971.52 × 78,537.44
  4. Step 4: Simplify right side
    107,263.04x = 11,621,304,373.71
  5. Step 5: Solve for x
    x = 11,621,304,373.71/107,263.04
  6. Step 6: Final answer
    x = 108,343.98

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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.