Home / 196,711.70-293,947.65-147,705.48

Finding the Fourth Proportional to 196,711.70, 293,947.65 and 147,705.48

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Solution

The fourth proportional to 196,711.70, 293,947.65 and 147,705.48 is: 220,717.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,711.70 : 293,947.65 = 147,705.48 : x
  2. Step 2: Convert to fraction form
    196,711.70/293,947.65 = 147,705.48/x
  3. Step 3: Cross multiply
    196,711.70x = 293,947.65 × 147,705.48
  4. Step 4: Simplify right side
    196,711.70x = 43,417,678,738.12
  5. Step 5: Solve for x
    x = 43,417,678,738.12/196,711.70
  6. Step 6: Final answer
    x = 220,717.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.