Home / 211,927.89-292,459.33-115,130.98

Finding the Fourth Proportional to 211,927.89, 292,459.33 and 115,130.98

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Solution

The fourth proportional to 211,927.89, 292,459.33 and 115,130.98 is: 158,880.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,927.89 : 292,459.33 = 115,130.98 : x
  2. Step 2: Convert to fraction form
    211,927.89/292,459.33 = 115,130.98/x
  3. Step 3: Cross multiply
    211,927.89x = 292,459.33 × 115,130.98
  4. Step 4: Simplify right side
    211,927.89x = 33,671,129,273.04
  5. Step 5: Solve for x
    x = 33,671,129,273.04/211,927.89
  6. Step 6: Final answer
    x = 158,880.12

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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.