Home / 112,802.40-169,273.80-102,291.39

Finding the Fourth Proportional to 112,802.40, 169,273.80 and 102,291.39

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Solution

The fourth proportional to 112,802.40, 169,273.80 and 102,291.39 is: 153,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,802.40 : 169,273.80 = 102,291.39 : x
  2. Step 2: Convert to fraction form
    112,802.40/169,273.80 = 102,291.39/x
  3. Step 3: Cross multiply
    112,802.40x = 169,273.80 × 102,291.39
  4. Step 4: Simplify right side
    112,802.40x = 17,315,252,292.58
  5. Step 5: Solve for x
    x = 17,315,252,292.58/112,802.40
  6. Step 6: Final answer
    x = 153,500.74

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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.