Home / 102,779.03-154,147.35-39,577.46

Finding the Fourth Proportional to 102,779.03, 154,147.35 and 39,577.46

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Solution

The fourth proportional to 102,779.03, 154,147.35 and 39,577.46 is: 59,358.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,779.03 : 154,147.35 = 39,577.46 : x
  2. Step 2: Convert to fraction form
    102,779.03/154,147.35 = 39,577.46/x
  3. Step 3: Cross multiply
    102,779.03x = 154,147.35 × 39,577.46
  4. Step 4: Simplify right side
    102,779.03x = 6,100,760,823.49
  5. Step 5: Solve for x
    x = 6,100,760,823.49/102,779.03
  6. Step 6: Final answer
    x = 59,358.03

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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.