Home / 142,653.47-197,066.84-113,935.43

Finding the Fourth Proportional to 142,653.47, 197,066.84 and 113,935.43

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Solution

The fourth proportional to 142,653.47, 197,066.84 and 113,935.43 is: 157,394.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,653.47 : 197,066.84 = 113,935.43 : x
  2. Step 2: Convert to fraction form
    142,653.47/197,066.84 = 113,935.43/x
  3. Step 3: Cross multiply
    142,653.47x = 197,066.84 × 113,935.43
  4. Step 4: Simplify right side
    142,653.47x = 22,452,895,931.65
  5. Step 5: Solve for x
    x = 22,452,895,931.65/142,653.47
  6. Step 6: Final answer
    x = 157,394.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.