Home / 109,068.90-163,607-30,176.52

Finding the Fourth Proportional to 109,068.90, 163,607 and 30,176.52

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Solution

The fourth proportional to 109,068.90, 163,607 and 30,176.52 is: 45,265.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,068.90 : 163,607 = 30,176.52 : x
  2. Step 2: Convert to fraction form
    109,068.90/163,607 = 30,176.52/x
  3. Step 3: Cross multiply
    109,068.90x = 163,607 × 30,176.52
  4. Step 4: Simplify right side
    109,068.90x = 4,937,089,907.64
  5. Step 5: Solve for x
    x = 4,937,089,907.64/109,068.90
  6. Step 6: Final answer
    x = 45,265.79

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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.