Home / 103,359.44-142,637-58,643.92

Finding the Fourth Proportional to 103,359.44, 142,637 and 58,643.92

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Solution

The fourth proportional to 103,359.44, 142,637 and 58,643.92 is: 80,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,359.44 : 142,637 = 58,643.92 : x
  2. Step 2: Convert to fraction form
    103,359.44/142,637 = 58,643.92/x
  3. Step 3: Cross multiply
    103,359.44x = 142,637 × 58,643.92
  4. Step 4: Simplify right side
    103,359.44x = 8,364,792,817.04
  5. Step 5: Solve for x
    x = 8,364,792,817.04/103,359.44
  6. Step 6: Final answer
    x = 80,929.16

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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.