Home / 145,349.06-200,563.65-84,105.77

Finding the Fourth Proportional to 145,349.06, 200,563.65 and 84,105.77

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Solution

The fourth proportional to 145,349.06, 200,563.65 and 84,105.77 is: 116,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,349.06 : 200,563.65 = 84,105.77 : x
  2. Step 2: Convert to fraction form
    145,349.06/200,563.65 = 84,105.77/x
  3. Step 3: Cross multiply
    145,349.06x = 200,563.65 × 84,105.77
  4. Step 4: Simplify right side
    145,349.06x = 16,868,559,214.44
  5. Step 5: Solve for x
    x = 16,868,559,214.44/145,349.06
  6. Step 6: Final answer
    x = 116,055.51

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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.