Home / 142,113.06-213,180.93-82,954.71

Finding the Fourth Proportional to 142,113.06, 213,180.93 and 82,954.71

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Solution

The fourth proportional to 142,113.06, 213,180.93 and 82,954.71 is: 124,438.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,113.06 : 213,180.93 = 82,954.71 : x
  2. Step 2: Convert to fraction form
    142,113.06/213,180.93 = 82,954.71/x
  3. Step 3: Cross multiply
    142,113.06x = 213,180.93 × 82,954.71
  4. Step 4: Simplify right side
    142,113.06x = 17,684,362,225.68
  5. Step 5: Solve for x
    x = 17,684,362,225.68/142,113.06
  6. Step 6: Final answer
    x = 124,438.68

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1.5x scale

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.