Home / 501,038.73-751,547.18-121,961.46

Finding the Fourth Proportional to 501,038.73, 751,547.18 and 121,961.46

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Solution

The fourth proportional to 501,038.73, 751,547.18 and 121,961.46 is: 182,939.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,038.73 : 751,547.18 = 121,961.46 : x
  2. Step 2: Convert to fraction form
    501,038.73/751,547.18 = 121,961.46/x
  3. Step 3: Cross multiply
    501,038.73x = 751,547.18 × 121,961.46
  4. Step 4: Simplify right side
    501,038.73x = 91,659,793,768.86
  5. Step 5: Solve for x
    x = 91,659,793,768.86/501,038.73
  6. Step 6: Final answer
    x = 182,939.54

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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.