Home / 145,404.56-218,106.51-45,572.36

Finding the Fourth Proportional to 145,404.56, 218,106.51 and 45,572.36

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Solution

The fourth proportional to 145,404.56, 218,106.51 and 45,572.36 is: 68,358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,404.56 : 218,106.51 = 45,572.36 : x
  2. Step 2: Convert to fraction form
    145,404.56/218,106.51 = 45,572.36/x
  3. Step 3: Cross multiply
    145,404.56x = 218,106.51 × 45,572.36
  4. Step 4: Simplify right side
    145,404.56x = 9,939,628,392.06
  5. Step 5: Solve for x
    x = 9,939,628,392.06/145,404.56
  6. Step 6: Final answer
    x = 68,358.44

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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.