Home / 110,684.07-165,985.34-39,587.40

Finding the Fourth Proportional to 110,684.07, 165,985.34 and 39,587.40

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Solution

The fourth proportional to 110,684.07, 165,985.34 and 39,587.40 is: 59,366.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,684.07 : 165,985.34 = 39,587.40 : x
  2. Step 2: Convert to fraction form
    110,684.07/165,985.34 = 39,587.40/x
  3. Step 3: Cross multiply
    110,684.07x = 165,985.34 × 39,587.40
  4. Step 4: Simplify right side
    110,684.07x = 6,570,927,850.78
  5. Step 5: Solve for x
    x = 6,570,927,850.78/110,684.07
  6. Step 6: Final answer
    x = 59,366.52

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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.