Home / 103,983.61-143,497.47-56,236.95

Finding the Fourth Proportional to 103,983.61, 143,497.47 and 56,236.95

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Solution

The fourth proportional to 103,983.61, 143,497.47 and 56,236.95 is: 77,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,983.61 : 143,497.47 = 56,236.95 : x
  2. Step 2: Convert to fraction form
    103,983.61/143,497.47 = 56,236.95/x
  3. Step 3: Cross multiply
    103,983.61x = 143,497.47 × 56,236.95
  4. Step 4: Simplify right side
    103,983.61x = 8,069,860,689.08
  5. Step 5: Solve for x
    x = 8,069,860,689.08/103,983.61
  6. Step 6: Final answer
    x = 77,607.05

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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.