Home / 140,220.58-210,330.87-74,541.22

Finding the Fourth Proportional to 140,220.58, 210,330.87 and 74,541.22

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Solution

The fourth proportional to 140,220.58, 210,330.87 and 74,541.22 is: 111,811.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,220.58 : 210,330.87 = 74,541.22 : x
  2. Step 2: Convert to fraction form
    140,220.58/210,330.87 = 74,541.22/x
  3. Step 3: Cross multiply
    140,220.58x = 210,330.87 × 74,541.22
  4. Step 4: Simplify right side
    140,220.58x = 15,678,319,653.46
  5. Step 5: Solve for x
    x = 15,678,319,653.46/140,220.58
  6. Step 6: Final answer
    x = 111,811.83

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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.