Home / 108,900.62-163,357.07-38,779.94

Finding the Fourth Proportional to 108,900.62, 163,357.07 and 38,779.94

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Solution

The fourth proportional to 108,900.62, 163,357.07 and 38,779.94 is: 58,172.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,900.62 : 163,357.07 = 38,779.94 : x
  2. Step 2: Convert to fraction form
    108,900.62/163,357.07 = 38,779.94/x
  3. Step 3: Cross multiply
    108,900.62x = 163,357.07 × 38,779.94
  4. Step 4: Simplify right side
    108,900.62x = 6,334,976,362.49
  5. Step 5: Solve for x
    x = 6,334,976,362.49/108,900.62
  6. Step 6: Final answer
    x = 58,172.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.