Home / 197,667.95-272,765.16-115,987.59

Finding the Fourth Proportional to 197,667.95, 272,765.16 and 115,987.59

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Solution

The fourth proportional to 197,667.95, 272,765.16 and 115,987.59 is: 160,053.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,667.95 : 272,765.16 = 115,987.59 : x
  2. Step 2: Convert to fraction form
    197,667.95/272,765.16 = 115,987.59/x
  3. Step 3: Cross multiply
    197,667.95x = 272,765.16 × 115,987.59
  4. Step 4: Simplify right side
    197,667.95x = 31,637,373,544.36
  5. Step 5: Solve for x
    x = 31,637,373,544.36/197,667.95
  6. Step 6: Final answer
    x = 160,053.13

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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.