Home / 105,272.74-145,270.26-57,526.48

Finding the Fourth Proportional to 105,272.74, 145,270.26 and 57,526.48

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Solution

The fourth proportional to 105,272.74, 145,270.26 and 57,526.48 is: 79,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,272.74 : 145,270.26 = 57,526.48 : x
  2. Step 2: Convert to fraction form
    105,272.74/145,270.26 = 57,526.48/x
  3. Step 3: Cross multiply
    105,272.74x = 145,270.26 × 57,526.48
  4. Step 4: Simplify right side
    105,272.74x = 8,356,886,706.48
  5. Step 5: Solve for x
    x = 8,356,886,706.48/105,272.74
  6. Step 6: Final answer
    x = 79,383.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.