Home / 98,726.94-148,112.69-31,263.07

Finding the Fourth Proportional to 98,726.94, 148,112.69 and 31,263.07

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Solution

The fourth proportional to 98,726.94, 148,112.69 and 31,263.07 is: 46,901.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,726.94 : 148,112.69 = 31,263.07 : x
  2. Step 2: Convert to fraction form
    98,726.94/148,112.69 = 31,263.07/x
  3. Step 3: Cross multiply
    98,726.94x = 148,112.69 × 31,263.07
  4. Step 4: Simplify right side
    98,726.94x = 4,630,457,395.36
  5. Step 5: Solve for x
    x = 4,630,457,395.36/98,726.94
  6. Step 6: Final answer
    x = 46,901.66

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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.