Home / 127,228.95-190,873.40-38,483.19

Finding the Fourth Proportional to 127,228.95, 190,873.40 and 38,483.19

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Solution

The fourth proportional to 127,228.95, 190,873.40 and 38,483.19 is: 57,733.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,228.95 : 190,873.40 = 38,483.19 : x
  2. Step 2: Convert to fraction form
    127,228.95/190,873.40 = 38,483.19/x
  3. Step 3: Cross multiply
    127,228.95x = 190,873.40 × 38,483.19
  4. Step 4: Simplify right side
    127,228.95x = 7,345,417,125.73
  5. Step 5: Solve for x
    x = 7,345,417,125.73/127,228.95
  6. Step 6: Final answer
    x = 57,733.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.