Home / 101,603.52-140,088.96-74,664

Finding the Fourth Proportional to 101,603.52, 140,088.96 and 74,664

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Solution

The fourth proportional to 101,603.52, 140,088.96 and 74,664 is: 102,945.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,603.52 : 140,088.96 = 74,664 : x
  2. Step 2: Convert to fraction form
    101,603.52/140,088.96 = 74,664/x
  3. Step 3: Cross multiply
    101,603.52x = 140,088.96 × 74,664
  4. Step 4: Simplify right side
    101,603.52x = 10,459,602,109.44
  5. Step 5: Solve for x
    x = 10,459,602,109.44/101,603.52
  6. Step 6: Final answer
    x = 102,945.27

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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.