Home / 109,491.40-164,241.96-42,925.60

Finding the Fourth Proportional to 109,491.40, 164,241.96 and 42,925.60

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Solution

The fourth proportional to 109,491.40, 164,241.96 and 42,925.60 is: 64,390.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,491.40 : 164,241.96 = 42,925.60 : x
  2. Step 2: Convert to fraction form
    109,491.40/164,241.96 = 42,925.60/x
  3. Step 3: Cross multiply
    109,491.40x = 164,241.96 × 42,925.60
  4. Step 4: Simplify right side
    109,491.40x = 7,050,184,678.18
  5. Step 5: Solve for x
    x = 7,050,184,678.18/109,491.40
  6. Step 6: Final answer
    x = 64,390.31

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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.