Home / 107,089.02-147,786.66-64,639.26

Finding the Fourth Proportional to 107,089.02, 147,786.66 and 64,639.26

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Solution

The fourth proportional to 107,089.02, 147,786.66 and 64,639.26 is: 89,204.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,089.02 : 147,786.66 = 64,639.26 : x
  2. Step 2: Convert to fraction form
    107,089.02/147,786.66 = 64,639.26/x
  3. Step 3: Cross multiply
    107,089.02x = 147,786.66 × 64,639.26
  4. Step 4: Simplify right side
    107,089.02x = 9,552,820,340.27
  5. Step 5: Solve for x
    x = 9,552,820,340.27/107,089.02
  6. Step 6: Final answer
    x = 89,204.48

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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.