Home / 211,984.36-292,554.70-121,368.76

Finding the Fourth Proportional to 211,984.36, 292,554.70 and 121,368.76

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Solution

The fourth proportional to 211,984.36, 292,554.70 and 121,368.76 is: 167,498.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,984.36 : 292,554.70 = 121,368.76 : x
  2. Step 2: Convert to fraction form
    211,984.36/292,554.70 = 121,368.76/x
  3. Step 3: Cross multiply
    211,984.36x = 292,554.70 × 121,368.76
  4. Step 4: Simplify right side
    211,984.36x = 35,507,001,171.17
  5. Step 5: Solve for x
    x = 35,507,001,171.17/211,984.36
  6. Step 6: Final answer
    x = 167,498.21

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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.