Home / 152,943.78-211,063.86-84,034.69

Finding the Fourth Proportional to 152,943.78, 211,063.86 and 84,034.69

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Solution

The fourth proportional to 152,943.78, 211,063.86 and 84,034.69 is: 115,968.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,943.78 : 211,063.86 = 84,034.69 : x
  2. Step 2: Convert to fraction form
    152,943.78/211,063.86 = 84,034.69/x
  3. Step 3: Cross multiply
    152,943.78x = 211,063.86 × 84,034.69
  4. Step 4: Simplify right side
    152,943.78x = 17,736,684,807.23
  5. Step 5: Solve for x
    x = 17,736,684,807.23/152,943.78
  6. Step 6: Final answer
    x = 115,968.66

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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.