Home / 142,143.84-213,189.96-36,956.28

Finding the Fourth Proportional to 142,143.84, 213,189.96 and 36,956.28

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Solution

The fourth proportional to 142,143.84, 213,189.96 and 36,956.28 is: 55,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,143.84 : 213,189.96 = 36,956.28 : x
  2. Step 2: Convert to fraction form
    142,143.84/213,189.96 = 36,956.28/x
  3. Step 3: Cross multiply
    142,143.84x = 213,189.96 × 36,956.28
  4. Step 4: Simplify right side
    142,143.84x = 7,878,707,854.95
  5. Step 5: Solve for x
    x = 7,878,707,854.95/142,143.84
  6. Step 6: Final answer
    x = 55,427.71

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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.