Home / 152,782.27-229,398.38-85,446.23

Finding the Fourth Proportional to 152,782.27, 229,398.38 and 85,446.23

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Solution

The fourth proportional to 152,782.27, 229,398.38 and 85,446.23 is: 128,295.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,782.27 : 229,398.38 = 85,446.23 : x
  2. Step 2: Convert to fraction form
    152,782.27/229,398.38 = 85,446.23/x
  3. Step 3: Cross multiply
    152,782.27x = 229,398.38 × 85,446.23
  4. Step 4: Simplify right side
    152,782.27x = 19,601,227,643.66
  5. Step 5: Solve for x
    x = 19,601,227,643.66/152,782.27
  6. Step 6: Final answer
    x = 128,295.17

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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.