Home / 140,461.40-210,721.26-46,964.72

Finding the Fourth Proportional to 140,461.40, 210,721.26 and 46,964.72

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Solution

The fourth proportional to 140,461.40, 210,721.26 and 46,964.72 is: 70,456.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,461.40 : 210,721.26 = 46,964.72 : x
  2. Step 2: Convert to fraction form
    140,461.40/210,721.26 = 46,964.72/x
  3. Step 3: Cross multiply
    140,461.40x = 210,721.26 × 46,964.72
  4. Step 4: Simplify right side
    140,461.40x = 9,896,463,920.34
  5. Step 5: Solve for x
    x = 9,896,463,920.34/140,461.40
  6. Step 6: Final answer
    x = 70,456.82

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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.