Home / 123,583.86-170,539.02-69,865.74

Finding the Fourth Proportional to 123,583.86, 170,539.02 and 69,865.74

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Solution

The fourth proportional to 123,583.86, 170,539.02 and 69,865.74 is: 96,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,583.86 : 170,539.02 = 69,865.74 : x
  2. Step 2: Convert to fraction form
    123,583.86/170,539.02 = 69,865.74/x
  3. Step 3: Cross multiply
    123,583.86x = 170,539.02 × 69,865.74
  4. Step 4: Simplify right side
    123,583.86x = 11,914,834,831.17
  5. Step 5: Solve for x
    x = 11,914,834,831.17/123,583.86
  6. Step 6: Final answer
    x = 96,410.93

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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.