Home / 211,864.84-292,424.40-121,273.32

Finding the Fourth Proportional to 211,864.84, 292,424.40 and 121,273.32

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Solution

The fourth proportional to 211,864.84, 292,424.40 and 121,273.32 is: 167,386.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,864.84 : 292,424.40 = 121,273.32 : x
  2. Step 2: Convert to fraction form
    211,864.84/292,424.40 = 121,273.32/x
  3. Step 3: Cross multiply
    211,864.84x = 292,424.40 × 121,273.32
  4. Step 4: Simplify right side
    211,864.84x = 35,463,277,837.01
  5. Step 5: Solve for x
    x = 35,463,277,837.01/211,864.84
  6. Step 6: Final answer
    x = 167,386.33

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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.