Home / 142,554.99-196,807.41-106,454.91

Finding the Fourth Proportional to 142,554.99, 196,807.41 and 106,454.91

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Solution

The fourth proportional to 142,554.99, 196,807.41 and 106,454.91 is: 146,968.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,554.99 : 196,807.41 = 106,454.91 : x
  2. Step 2: Convert to fraction form
    142,554.99/196,807.41 = 106,454.91/x
  3. Step 3: Cross multiply
    142,554.99x = 196,807.41 × 106,454.91
  4. Step 4: Simplify right side
    142,554.99x = 20,951,115,118.88
  5. Step 5: Solve for x
    x = 20,951,115,118.88/142,554.99
  6. Step 6: Final answer
    x = 146,968.65

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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.