Home / 76,210.40-114,389.32-36,795.20

Finding the Fourth Proportional to 76,210.40, 114,389.32 and 36,795.20

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Solution

The fourth proportional to 76,210.40, 114,389.32 and 36,795.20 is: 55,228.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,210.40 : 114,389.32 = 36,795.20 : x
  2. Step 2: Convert to fraction form
    76,210.40/114,389.32 = 36,795.20/x
  3. Step 3: Cross multiply
    76,210.40x = 114,389.32 × 36,795.20
  4. Step 4: Simplify right side
    76,210.40x = 4,208,977,907.26
  5. Step 5: Solve for x
    x = 4,208,977,907.26/76,210.40
  6. Step 6: Final answer
    x = 55,228.39

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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.