Home / 142,798.91-197,082.18-82,368.23

Finding the Fourth Proportional to 142,798.91, 197,082.18 and 82,368.23

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Solution

The fourth proportional to 142,798.91, 197,082.18 and 82,368.23 is: 113,679.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,798.91 : 197,082.18 = 82,368.23 : x
  2. Step 2: Convert to fraction form
    142,798.91/197,082.18 = 82,368.23/x
  3. Step 3: Cross multiply
    142,798.91x = 197,082.18 × 82,368.23
  4. Step 4: Simplify right side
    142,798.91x = 16,233,310,331.14
  5. Step 5: Solve for x
    x = 16,233,310,331.14/142,798.91
  6. Step 6: Final answer
    x = 113,679.51

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1.5x scale

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.