Home / 105,056.14-144,979.53-57,311.26

Finding the Fourth Proportional to 105,056.14, 144,979.53 and 57,311.26

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Solution

The fourth proportional to 105,056.14, 144,979.53 and 57,311.26 is: 79,090.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,056.14 : 144,979.53 = 57,311.26 : x
  2. Step 2: Convert to fraction form
    105,056.14/144,979.53 = 57,311.26/x
  3. Step 3: Cross multiply
    105,056.14x = 144,979.53 × 57,311.26
  4. Step 4: Simplify right side
    105,056.14x = 8,308,959,538.51
  5. Step 5: Solve for x
    x = 8,308,959,538.51/105,056.14
  6. Step 6: Final answer
    x = 79,090.66

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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.