Home / 106,510.86-146,938.41-70,165.35

Finding the Fourth Proportional to 106,510.86, 146,938.41 and 70,165.35

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Solution

The fourth proportional to 106,510.86, 146,938.41 and 70,165.35 is: 96,797.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,510.86 : 146,938.41 = 70,165.35 : x
  2. Step 2: Convert to fraction form
    106,510.86/146,938.41 = 70,165.35/x
  3. Step 3: Cross multiply
    106,510.86x = 146,938.41 × 70,165.35
  4. Step 4: Simplify right side
    106,510.86x = 10,309,984,966.09
  5. Step 5: Solve for x
    x = 10,309,984,966.09/106,510.86
  6. Step 6: Final answer
    x = 96,797.50

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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.