Home / 105,460.90-145,513.54-62,453.91

Finding the Fourth Proportional to 105,460.90, 145,513.54 and 62,453.91

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Solution

The fourth proportional to 105,460.90, 145,513.54 and 62,453.91 is: 86,173.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,460.90 : 145,513.54 = 62,453.91 : x
  2. Step 2: Convert to fraction form
    105,460.90/145,513.54 = 62,453.91/x
  3. Step 3: Cross multiply
    105,460.90x = 145,513.54 × 62,453.91
  4. Step 4: Simplify right side
    105,460.90x = 9,087,889,530.94
  5. Step 5: Solve for x
    x = 9,087,889,530.94/105,460.90
  6. Step 6: Final answer
    x = 86,173.07

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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.