Home / 219,564.16-302,994.56-124,068.80

Finding the Fourth Proportional to 219,564.16, 302,994.56 and 124,068.80

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Solution

The fourth proportional to 219,564.16, 302,994.56 and 124,068.80 is: 171,212.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,564.16 : 302,994.56 = 124,068.80 : x
  2. Step 2: Convert to fraction form
    219,564.16/302,994.56 = 124,068.80/x
  3. Step 3: Cross multiply
    219,564.16x = 302,994.56 × 124,068.80
  4. Step 4: Simplify right side
    219,564.16x = 37,592,171,465.73
  5. Step 5: Solve for x
    x = 37,592,171,465.73/219,564.16
  6. Step 6: Final answer
    x = 171,212.69

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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.