Home / 210,111.49-289,942.09-119,454.67

Finding the Fourth Proportional to 210,111.49, 289,942.09 and 119,454.67

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Solution

The fourth proportional to 210,111.49, 289,942.09 and 119,454.67 is: 164,840.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,111.49 : 289,942.09 = 119,454.67 : x
  2. Step 2: Convert to fraction form
    210,111.49/289,942.09 = 119,454.67/x
  3. Step 3: Cross multiply
    210,111.49x = 289,942.09 × 119,454.67
  4. Step 4: Simplify right side
    210,111.49x = 34,634,936,680.06
  5. Step 5: Solve for x
    x = 34,634,936,680.06/210,111.49
  6. Step 6: Final answer
    x = 164,840.76

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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.