Home / 137,754.07-190,051.72-90,034.94

Finding the Fourth Proportional to 137,754.07, 190,051.72 and 90,034.94

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Solution

The fourth proportional to 137,754.07, 190,051.72 and 90,034.94 is: 124,216.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,754.07 : 190,051.72 = 90,034.94 : x
  2. Step 2: Convert to fraction form
    137,754.07/190,051.72 = 90,034.94/x
  3. Step 3: Cross multiply
    137,754.07x = 190,051.72 × 90,034.94
  4. Step 4: Simplify right side
    137,754.07x = 17,111,295,457.14
  5. Step 5: Solve for x
    x = 17,111,295,457.14/137,754.07
  6. Step 6: Final answer
    x = 124,216.26

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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.