Home / 145,571.06-218,354.15-65,564.52

Finding the Fourth Proportional to 145,571.06, 218,354.15 and 65,564.52

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Solution

The fourth proportional to 145,571.06, 218,354.15 and 65,564.52 is: 98,345.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,571.06 : 218,354.15 = 65,564.52 : x
  2. Step 2: Convert to fraction form
    145,571.06/218,354.15 = 65,564.52/x
  3. Step 3: Cross multiply
    145,571.06x = 218,354.15 × 65,564.52
  4. Step 4: Simplify right side
    145,571.06x = 14,316,284,706.94
  5. Step 5: Solve for x
    x = 14,316,284,706.94/145,571.06
  6. Step 6: Final answer
    x = 98,345.68

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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.