Home / 103,905.35-143,386.51-58,582.94

Finding the Fourth Proportional to 103,905.35, 143,386.51 and 58,582.94

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Solution

The fourth proportional to 103,905.35, 143,386.51 and 58,582.94 is: 80,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,905.35 : 143,386.51 = 58,582.94 : x
  2. Step 2: Convert to fraction form
    103,905.35/143,386.51 = 58,582.94/x
  3. Step 3: Cross multiply
    103,905.35x = 143,386.51 × 58,582.94
  4. Step 4: Simplify right side
    103,905.35x = 8,400,002,302.29
  5. Step 5: Solve for x
    x = 8,400,002,302.29/103,905.35
  6. Step 6: Final answer
    x = 80,842.83

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1.5x scale

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.