Home / 202,048.04-278,828.22-111,407.60

Finding the Fourth Proportional to 202,048.04, 278,828.22 and 111,407.60

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Solution

The fourth proportional to 202,048.04, 278,828.22 and 111,407.60 is: 153,743.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,048.04 : 278,828.22 = 111,407.60 : x
  2. Step 2: Convert to fraction form
    202,048.04/278,828.22 = 111,407.60/x
  3. Step 3: Cross multiply
    202,048.04x = 278,828.22 × 111,407.60
  4. Step 4: Simplify right side
    202,048.04x = 31,063,582,802.47
  5. Step 5: Solve for x
    x = 31,063,582,802.47/202,048.04
  6. Step 6: Final answer
    x = 153,743.55

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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.