Home / 144,095.09-215,699.72-122,837.45

Finding the Fourth Proportional to 144,095.09, 215,699.72 and 122,837.45

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Solution

The fourth proportional to 144,095.09, 215,699.72 and 122,837.45 is: 183,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,095.09 : 215,699.72 = 122,837.45 : x
  2. Step 2: Convert to fraction form
    144,095.09/215,699.72 = 122,837.45/x
  3. Step 3: Cross multiply
    144,095.09x = 215,699.72 × 122,837.45
  4. Step 4: Simplify right side
    144,095.09x = 26,496,001,877.83
  5. Step 5: Solve for x
    x = 26,496,001,877.83/144,095.09
  6. Step 6: Final answer
    x = 183,878.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.