Home / 105,268.34-145,273.89-57,524.76

Finding the Fourth Proportional to 105,268.34, 145,273.89 and 57,524.76

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Solution

The fourth proportional to 105,268.34, 145,273.89 and 57,524.76 is: 79,386.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,268.34 : 145,273.89 = 57,524.76 : x
  2. Step 2: Convert to fraction form
    105,268.34/145,273.89 = 57,524.76/x
  3. Step 3: Cross multiply
    105,268.34x = 145,273.89 × 57,524.76
  4. Step 4: Simplify right side
    105,268.34x = 8,356,845,872.23
  5. Step 5: Solve for x
    x = 8,356,845,872.23/105,268.34
  6. Step 6: Final answer
    x = 79,386.13

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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.