Home / 440,030.07-660,039.54-140,506.85

Finding the Fourth Proportional to 440,030.07, 660,039.54 and 140,506.85

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Solution

The fourth proportional to 440,030.07, 660,039.54 and 140,506.85 is: 210,758.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,030.07 : 660,039.54 = 140,506.85 : x
  2. Step 2: Convert to fraction form
    440,030.07/660,039.54 = 140,506.85/x
  3. Step 3: Cross multiply
    440,030.07x = 660,039.54 × 140,506.85
  4. Step 4: Simplify right side
    440,030.07x = 92,740,077,764.05
  5. Step 5: Solve for x
    x = 92,740,077,764.05/440,030.07
  6. Step 6: Final answer
    x = 210,758.50

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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.