Home / 173,647.32-260,490-55,290.84

Finding the Fourth Proportional to 173,647.32, 260,490 and 55,290.84

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Solution

The fourth proportional to 173,647.32, 260,490 and 55,290.84 is: 82,942.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,647.32 : 260,490 = 55,290.84 : x
  2. Step 2: Convert to fraction form
    173,647.32/260,490 = 55,290.84/x
  3. Step 3: Cross multiply
    173,647.32x = 260,490 × 55,290.84
  4. Step 4: Simplify right side
    173,647.32x = 14,402,710,911.60
  5. Step 5: Solve for x
    x = 14,402,710,911.60/173,647.32
  6. Step 6: Final answer
    x = 82,942.32

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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.