Home / 103,835.71-143,293.29-56,089.06

Finding the Fourth Proportional to 103,835.71, 143,293.29 and 56,089.06

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Solution

The fourth proportional to 103,835.71, 143,293.29 and 56,089.06 is: 77,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,835.71 : 143,293.29 = 56,089.06 : x
  2. Step 2: Convert to fraction form
    103,835.71/143,293.29 = 56,089.06/x
  3. Step 3: Cross multiply
    103,835.71x = 143,293.29 × 56,089.06
  4. Step 4: Simplify right side
    103,835.71x = 8,037,185,940.41
  5. Step 5: Solve for x
    x = 8,037,185,940.41/103,835.71
  6. Step 6: Final answer
    x = 77,402.91

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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.