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Finding the Fourth Proportional to 173,482.90, 260,051.55 and 79,825.30

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Solution

The fourth proportional to 173,482.90, 260,051.55 and 79,825.30 is: 119,658.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,482.90 : 260,051.55 = 79,825.30 : x
  2. Step 2: Convert to fraction form
    173,482.90/260,051.55 = 79,825.30/x
  3. Step 3: Cross multiply
    173,482.90x = 260,051.55 × 79,825.30
  4. Step 4: Simplify right side
    173,482.90x = 20,758,692,994.22
  5. Step 5: Solve for x
    x = 20,758,692,994.22/173,482.90
  6. Step 6: Final answer
    x = 119,658.44

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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.