Home / 111,707.80-154,156.46-60,720.53

Finding the Fourth Proportional to 111,707.80, 154,156.46 and 60,720.53

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Solution

The fourth proportional to 111,707.80, 154,156.46 and 60,720.53 is: 83,794.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,707.80 : 154,156.46 = 60,720.53 : x
  2. Step 2: Convert to fraction form
    111,707.80/154,156.46 = 60,720.53/x
  3. Step 3: Cross multiply
    111,707.80x = 154,156.46 × 60,720.53
  4. Step 4: Simplify right side
    111,707.80x = 9,360,461,335.14
  5. Step 5: Solve for x
    x = 9,360,461,335.14/111,707.80
  6. Step 6: Final answer
    x = 83,794.16

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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.