Home / 153,467.19-211,784.13-85,484.97

Finding the Fourth Proportional to 153,467.19, 211,784.13 and 85,484.97

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Solution

The fourth proportional to 153,467.19, 211,784.13 and 85,484.97 is: 117,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,467.19 : 211,784.13 = 85,484.97 : x
  2. Step 2: Convert to fraction form
    153,467.19/211,784.13 = 85,484.97/x
  3. Step 3: Cross multiply
    153,467.19x = 211,784.13 × 85,484.97
  4. Step 4: Simplify right side
    153,467.19x = 18,104,359,999.53
  5. Step 5: Solve for x
    x = 18,104,359,999.53/153,467.19
  6. Step 6: Final answer
    x = 117,968.93

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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.