Home / 109,877.10-164,845.35-46,699.80

Finding the Fourth Proportional to 109,877.10, 164,845.35 and 46,699.80

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Solution

The fourth proportional to 109,877.10, 164,845.35 and 46,699.80 is: 70,062.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,877.10 : 164,845.35 = 46,699.80 : x
  2. Step 2: Convert to fraction form
    109,877.10/164,845.35 = 46,699.80/x
  3. Step 3: Cross multiply
    109,877.10x = 164,845.35 × 46,699.80
  4. Step 4: Simplify right side
    109,877.10x = 7,698,244,875.93
  5. Step 5: Solve for x
    x = 7,698,244,875.93/109,877.10
  6. Step 6: Final answer
    x = 70,062.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.