Home / 195,430.20-293,145.30-146,278.20

Finding the Fourth Proportional to 195,430.20, 293,145.30 and 146,278.20

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Solution

The fourth proportional to 195,430.20, 293,145.30 and 146,278.20 is: 219,417.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,430.20 : 293,145.30 = 146,278.20 : x
  2. Step 2: Convert to fraction form
    195,430.20/293,145.30 = 146,278.20/x
  3. Step 3: Cross multiply
    195,430.20x = 293,145.30 × 146,278.20
  4. Step 4: Simplify right side
    195,430.20x = 42,880,766,822.46
  5. Step 5: Solve for x
    x = 42,880,766,822.46/195,430.20
  6. Step 6: Final answer
    x = 219,417.30

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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.