Home / 105,088.14-145,040.40-62,649.36

Finding the Fourth Proportional to 105,088.14, 145,040.40 and 62,649.36

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Solution

The fourth proportional to 105,088.14, 145,040.40 and 62,649.36 is: 86,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,088.14 : 145,040.40 = 62,649.36 : x
  2. Step 2: Convert to fraction form
    105,088.14/145,040.40 = 62,649.36/x
  3. Step 3: Cross multiply
    105,088.14x = 145,040.40 × 62,649.36
  4. Step 4: Simplify right side
    105,088.14x = 9,086,688,234.14
  5. Step 5: Solve for x
    x = 9,086,688,234.14/105,088.14
  6. Step 6: Final answer
    x = 86,467.30

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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.