Home / 374,036.12-561,127.35-137,380.58

Finding the Fourth Proportional to 374,036.12, 561,127.35 and 137,380.58

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Solution

The fourth proportional to 374,036.12, 561,127.35 and 137,380.58 is: 206,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,036.12 : 561,127.35 = 137,380.58 : x
  2. Step 2: Convert to fraction form
    374,036.12/561,127.35 = 137,380.58/x
  3. Step 3: Cross multiply
    374,036.12x = 561,127.35 × 137,380.58
  4. Step 4: Simplify right side
    374,036.12x = 77,088,000,796.86
  5. Step 5: Solve for x
    x = 77,088,000,796.86/374,036.12
  6. Step 6: Final answer
    x = 206,097.74

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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.