Home / 137,901.07-190,318.89-83,483.22

Finding the Fourth Proportional to 137,901.07, 190,318.89 and 83,483.22

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Solution

The fourth proportional to 137,901.07, 190,318.89 and 83,483.22 is: 115,216.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,901.07 : 190,318.89 = 83,483.22 : x
  2. Step 2: Convert to fraction form
    137,901.07/190,318.89 = 83,483.22/x
  3. Step 3: Cross multiply
    137,901.07x = 190,318.89 × 83,483.22
  4. Step 4: Simplify right side
    137,901.07x = 15,888,434,321.19
  5. Step 5: Solve for x
    x = 15,888,434,321.19/137,901.07
  6. Step 6: Final answer
    x = 115,216.18

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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.