Home / 152,631.78-210,653.37-84,663.87

Finding the Fourth Proportional to 152,631.78, 210,653.37 and 84,663.87

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Solution

The fourth proportional to 152,631.78, 210,653.37 and 84,663.87 is: 116,848.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,631.78 : 210,653.37 = 84,663.87 : x
  2. Step 2: Convert to fraction form
    152,631.78/210,653.37 = 84,663.87/x
  3. Step 3: Cross multiply
    152,631.78x = 210,653.37 × 84,663.87
  4. Step 4: Simplify right side
    152,631.78x = 17,834,729,532.74
  5. Step 5: Solve for x
    x = 17,834,729,532.74/152,631.78
  6. Step 6: Final answer
    x = 116,848.07

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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.