Home / 105,395.63-145,444.38-62,945.96

Finding the Fourth Proportional to 105,395.63, 145,444.38 and 62,945.96

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Solution

The fourth proportional to 105,395.63, 145,444.38 and 62,945.96 is: 86,864.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,395.63 : 145,444.38 = 62,945.96 : x
  2. Step 2: Convert to fraction form
    105,395.63/145,444.38 = 62,945.96/x
  3. Step 3: Cross multiply
    105,395.63x = 145,444.38 × 62,945.96
  4. Step 4: Simplify right side
    105,395.63x = 9,155,136,511.67
  5. Step 5: Solve for x
    x = 9,155,136,511.67/105,395.63
  6. Step 6: Final answer
    x = 86,864.48

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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.