Home / 145,313.49-218,001.88-61,025.60

Finding the Fourth Proportional to 145,313.49, 218,001.88 and 61,025.60

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Solution

The fourth proportional to 145,313.49, 218,001.88 and 61,025.60 is: 91,551.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,313.49 : 218,001.88 = 61,025.60 : x
  2. Step 2: Convert to fraction form
    145,313.49/218,001.88 = 61,025.60/x
  3. Step 3: Cross multiply
    145,313.49x = 218,001.88 × 61,025.60
  4. Step 4: Simplify right side
    145,313.49x = 13,303,696,149.41
  5. Step 5: Solve for x
    x = 13,303,696,149.41/145,313.49
  6. Step 6: Final answer
    x = 91,551.69

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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.