Home / 101,847.09-140,565.88-59,405.63

Finding the Fourth Proportional to 101,847.09, 140,565.88 and 59,405.63

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Solution

The fourth proportional to 101,847.09, 140,565.88 and 59,405.63 is: 81,989.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,847.09 : 140,565.88 = 59,405.63 : x
  2. Step 2: Convert to fraction form
    101,847.09/140,565.88 = 59,405.63/x
  3. Step 3: Cross multiply
    101,847.09x = 140,565.88 × 59,405.63
  4. Step 4: Simplify right side
    101,847.09x = 8,350,404,657.90
  5. Step 5: Solve for x
    x = 8,350,404,657.90/101,847.09
  6. Step 6: Final answer
    x = 81,989.62

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1.5x scale

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.