Home / 145,586.77-218,389.57-45,751.13

Finding the Fourth Proportional to 145,586.77, 218,389.57 and 45,751.13

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Solution

The fourth proportional to 145,586.77, 218,389.57 and 45,751.13 is: 68,629.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,586.77 : 218,389.57 = 45,751.13 : x
  2. Step 2: Convert to fraction form
    145,586.77/218,389.57 = 45,751.13/x
  3. Step 3: Cross multiply
    145,586.77x = 218,389.57 × 45,751.13
  4. Step 4: Simplify right side
    145,586.77x = 9,991,569,220.35
  5. Step 5: Solve for x
    x = 9,991,569,220.35/145,586.77
  6. Step 6: Final answer
    x = 68,629.65

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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.