Home / 111,485.60-153,849.34-60,497.03

Finding the Fourth Proportional to 111,485.60, 153,849.34 and 60,497.03

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Solution

The fourth proportional to 111,485.60, 153,849.34 and 60,497.03 is: 83,485.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,485.60 : 153,849.34 = 60,497.03 : x
  2. Step 2: Convert to fraction form
    111,485.60/153,849.34 = 60,497.03/x
  3. Step 3: Cross multiply
    111,485.60x = 153,849.34 × 60,497.03
  4. Step 4: Simplify right side
    111,485.60x = 9,307,428,137.46
  5. Step 5: Solve for x
    x = 9,307,428,137.46/111,485.60
  6. Step 6: Final answer
    x = 83,485.47

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1.5x scale

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.