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Finding the Fourth Proportional to 111,045, 153,242.10 and 60,745.08

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Solution

The fourth proportional to 111,045, 153,242.10 and 60,745.08 is: 83,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,045 : 153,242.10 = 60,745.08 : x
  2. Step 2: Convert to fraction form
    111,045/153,242.10 = 60,745.08/x
  3. Step 3: Cross multiply
    111,045x = 153,242.10 × 60,745.08
  4. Step 4: Simplify right side
    111,045x = 9,308,703,623.87
  5. Step 5: Solve for x
    x = 9,308,703,623.87/111,045
  6. Step 6: Final answer
    x = 83,828.21

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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.