Home / 153,726.25-230,659.43-78,898.93

Finding the Fourth Proportional to 153,726.25, 230,659.43 and 78,898.93

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Solution

The fourth proportional to 153,726.25, 230,659.43 and 78,898.93 is: 118,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,726.25 : 230,659.43 = 78,898.93 : x
  2. Step 2: Convert to fraction form
    153,726.25/230,659.43 = 78,898.93/x
  3. Step 3: Cross multiply
    153,726.25x = 230,659.43 × 78,898.93
  4. Step 4: Simplify right side
    153,726.25x = 18,198,781,826.92
  5. Step 5: Solve for x
    x = 18,198,781,826.92/153,726.25
  6. Step 6: Final answer
    x = 118,384.35

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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.