Home / 140,312.45-210,551.72-51,628.24

Finding the Fourth Proportional to 140,312.45, 210,551.72 and 51,628.24

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Solution

The fourth proportional to 140,312.45, 210,551.72 and 51,628.24 is: 77,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,312.45 : 210,551.72 = 51,628.24 : x
  2. Step 2: Convert to fraction form
    140,312.45/210,551.72 = 51,628.24/x
  3. Step 3: Cross multiply
    140,312.45x = 210,551.72 × 51,628.24
  4. Step 4: Simplify right side
    140,312.45x = 10,870,413,625.87
  5. Step 5: Solve for x
    x = 10,870,413,625.87/140,312.45
  6. Step 6: Final answer
    x = 77,472.91

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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.