Home / 112,389.84-168,567.75-42,252.75

Finding the Fourth Proportional to 112,389.84, 168,567.75 and 42,252.75

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Solution

The fourth proportional to 112,389.84, 168,567.75 and 42,252.75 is: 63,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,389.84 : 168,567.75 = 42,252.75 : x
  2. Step 2: Convert to fraction form
    112,389.84/168,567.75 = 42,252.75/x
  3. Step 3: Cross multiply
    112,389.84x = 168,567.75 × 42,252.75
  4. Step 4: Simplify right side
    112,389.84x = 7,122,450,998.81
  5. Step 5: Solve for x
    x = 7,122,450,998.81/112,389.84
  6. Step 6: Final answer
    x = 63,372.73

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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.