Home / 142,172.14-213,258.48-36,990.94

Finding the Fourth Proportional to 142,172.14, 213,258.48 and 36,990.94

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Solution

The fourth proportional to 142,172.14, 213,258.48 and 36,990.94 is: 55,486.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,172.14 : 213,258.48 = 36,990.94 : x
  2. Step 2: Convert to fraction form
    142,172.14/213,258.48 = 36,990.94/x
  3. Step 3: Cross multiply
    142,172.14x = 213,258.48 × 36,990.94
  4. Step 4: Simplify right side
    142,172.14x = 7,888,631,638.17
  5. Step 5: Solve for x
    x = 7,888,631,638.17/142,172.14
  6. Step 6: Final answer
    x = 55,486.48

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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.