Home / 145,868.30-218,783.01-40,678.46

Finding the Fourth Proportional to 145,868.30, 218,783.01 and 40,678.46

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Solution

The fourth proportional to 145,868.30, 218,783.01 and 40,678.46 is: 61,012.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,868.30 : 218,783.01 = 40,678.46 : x
  2. Step 2: Convert to fraction form
    145,868.30/218,783.01 = 40,678.46/x
  3. Step 3: Cross multiply
    145,868.30x = 218,783.01 × 40,678.46
  4. Step 4: Simplify right side
    145,868.30x = 8,899,755,920.96
  5. Step 5: Solve for x
    x = 8,899,755,920.96/145,868.30
  6. Step 6: Final answer
    x = 61,012.27

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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.