Home / 143,032.51-214,401.12-93,209.95

Finding the Fourth Proportional to 143,032.51, 214,401.12 and 93,209.95

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Solution

The fourth proportional to 143,032.51, 214,401.12 and 93,209.95 is: 139,718.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,032.51 : 214,401.12 = 93,209.95 : x
  2. Step 2: Convert to fraction form
    143,032.51/214,401.12 = 93,209.95/x
  3. Step 3: Cross multiply
    143,032.51x = 214,401.12 × 93,209.95
  4. Step 4: Simplify right side
    143,032.51x = 19,984,317,675.14
  5. Step 5: Solve for x
    x = 19,984,317,675.14/143,032.51
  6. Step 6: Final answer
    x = 139,718.71

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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.