Home / 152,027.08-209,797.34-83,116.78

Finding the Fourth Proportional to 152,027.08, 209,797.34 and 83,116.78

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Solution

The fourth proportional to 152,027.08, 209,797.34 and 83,116.78 is: 114,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,027.08 : 209,797.34 = 83,116.78 : x
  2. Step 2: Convert to fraction form
    152,027.08/209,797.34 = 83,116.78/x
  3. Step 3: Cross multiply
    152,027.08x = 209,797.34 × 83,116.78
  4. Step 4: Simplify right side
    152,027.08x = 17,437,680,060.93
  5. Step 5: Solve for x
    x = 17,437,680,060.93/152,027.08
  6. Step 6: Final answer
    x = 114,701.15

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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.