Home / 103,842.80-143,303.62-58,521.48

Finding the Fourth Proportional to 103,842.80, 143,303.62 and 58,521.48

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Solution

The fourth proportional to 103,842.80, 143,303.62 and 58,521.48 is: 80,759.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,842.80 : 143,303.62 = 58,521.48 : x
  2. Step 2: Convert to fraction form
    103,842.80/143,303.62 = 58,521.48/x
  3. Step 3: Cross multiply
    103,842.80x = 143,303.62 × 58,521.48
  4. Step 4: Simplify right side
    103,842.80x = 8,386,339,931.76
  5. Step 5: Solve for x
    x = 8,386,339,931.76/103,842.80
  6. Step 6: Final answer
    x = 80,759.96

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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.