Home / 140,243.29-210,466.43-54,866.76

Finding the Fourth Proportional to 140,243.29, 210,466.43 and 54,866.76

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Solution

The fourth proportional to 140,243.29, 210,466.43 and 54,866.76 is: 82,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,243.29 : 210,466.43 = 54,866.76 : x
  2. Step 2: Convert to fraction form
    140,243.29/210,466.43 = 54,866.76/x
  3. Step 3: Cross multiply
    140,243.29x = 210,466.43 × 54,866.76
  4. Step 4: Simplify right side
    140,243.29x = 11,547,611,102.87
  5. Step 5: Solve for x
    x = 11,547,611,102.87/140,243.29
  6. Step 6: Final answer
    x = 82,339.85

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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.