Home / 374,128.02-561,274.96-107,867.76

Finding the Fourth Proportional to 374,128.02, 561,274.96 and 107,867.76

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Solution

The fourth proportional to 374,128.02, 561,274.96 and 107,867.76 is: 161,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,128.02 : 561,274.96 = 107,867.76 : x
  2. Step 2: Convert to fraction form
    374,128.02/561,274.96 = 107,867.76/x
  3. Step 3: Cross multiply
    374,128.02x = 561,274.96 × 107,867.76
  4. Step 4: Simplify right side
    374,128.02x = 60,543,472,409.62
  5. Step 5: Solve for x
    x = 60,543,472,409.62/374,128.02
  6. Step 6: Final answer
    x = 161,825.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.