Home / 104,877.09-144,730.49-57,130.38

Finding the Fourth Proportional to 104,877.09, 144,730.49 and 57,130.38

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Solution

The fourth proportional to 104,877.09, 144,730.49 and 57,130.38 is: 78,839.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,877.09 : 144,730.49 = 57,130.38 : x
  2. Step 2: Convert to fraction form
    104,877.09/144,730.49 = 57,130.38/x
  3. Step 3: Cross multiply
    104,877.09x = 144,730.49 × 57,130.38
  4. Step 4: Simplify right side
    104,877.09x = 8,268,507,605.63
  5. Step 5: Solve for x
    x = 8,268,507,605.63/104,877.09
  6. Step 6: Final answer
    x = 78,839.98

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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.