Home / 142,044.95-212,792.67-118,974.90

Finding the Fourth Proportional to 142,044.95, 212,792.67 and 118,974.90

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Solution

The fourth proportional to 142,044.95, 212,792.67 and 118,974.90 is: 178,232.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,044.95 : 212,792.67 = 118,974.90 : x
  2. Step 2: Convert to fraction form
    142,044.95/212,792.67 = 118,974.90/x
  3. Step 3: Cross multiply
    142,044.95x = 212,792.67 × 118,974.90
  4. Step 4: Simplify right side
    142,044.95x = 25,316,986,633.98
  5. Step 5: Solve for x
    x = 25,316,986,633.98/142,044.95
  6. Step 6: Final answer
    x = 178,232.22

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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.