Home / 146,328.06-219,392.19-70,386.51

Finding the Fourth Proportional to 146,328.06, 219,392.19 and 70,386.51

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Solution

The fourth proportional to 146,328.06, 219,392.19 and 70,386.51 is: 105,531.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,328.06 : 219,392.19 = 70,386.51 : x
  2. Step 2: Convert to fraction form
    146,328.06/219,392.19 = 70,386.51/x
  3. Step 3: Cross multiply
    146,328.06x = 219,392.19 × 70,386.51
  4. Step 4: Simplify right side
    146,328.06x = 15,442,250,575.36
  5. Step 5: Solve for x
    x = 15,442,250,575.36/146,328.06
  6. Step 6: Final answer
    x = 105,531.71

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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.