Home / 219,560.14-302,989.05-124,064.77

Finding the Fourth Proportional to 219,560.14, 302,989.05 and 124,064.77

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Solution

The fourth proportional to 219,560.14, 302,989.05 and 124,064.77 is: 171,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,560.14 : 302,989.05 = 124,064.77 : x
  2. Step 2: Convert to fraction form
    219,560.14/302,989.05 = 124,064.77/x
  3. Step 3: Cross multiply
    219,560.14x = 302,989.05 × 124,064.77
  4. Step 4: Simplify right side
    219,560.14x = 37,590,266,800.77
  5. Step 5: Solve for x
    x = 37,590,266,800.77/219,560.14
  6. Step 6: Final answer
    x = 171,207.15

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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.