Home / 153,034.31-211,218.57-104,769.71

Finding the Fourth Proportional to 153,034.31, 211,218.57 and 104,769.71

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Solution

The fourth proportional to 153,034.31, 211,218.57 and 104,769.71 is: 144,603.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,034.31 : 211,218.57 = 104,769.71 : x
  2. Step 2: Convert to fraction form
    153,034.31/211,218.57 = 104,769.71/x
  3. Step 3: Cross multiply
    153,034.31x = 211,218.57 × 104,769.71
  4. Step 4: Simplify right side
    153,034.31x = 22,129,308,325.51
  5. Step 5: Solve for x
    x = 22,129,308,325.51/153,034.31
  6. Step 6: Final answer
    x = 144,603.58

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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.