Home / 103,603.64-142,973.58-61,183.10

Finding the Fourth Proportional to 103,603.64, 142,973.58 and 61,183.10

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Solution

The fourth proportional to 103,603.64, 142,973.58 and 61,183.10 is: 84,433.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,603.64 : 142,973.58 = 61,183.10 : x
  2. Step 2: Convert to fraction form
    103,603.64/142,973.58 = 61,183.10/x
  3. Step 3: Cross multiply
    103,603.64x = 142,973.58 × 61,183.10
  4. Step 4: Simplify right side
    103,603.64x = 8,747,566,842.50
  5. Step 5: Solve for x
    x = 8,747,566,842.50/103,603.64
  6. Step 6: Final answer
    x = 84,433.01

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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.