Home / 152,475.33-210,412.83-84,491.70

Finding the Fourth Proportional to 152,475.33, 210,412.83 and 84,491.70

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Solution

The fourth proportional to 152,475.33, 210,412.83 and 84,491.70 is: 116,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,475.33 : 210,412.83 = 84,491.70 : x
  2. Step 2: Convert to fraction form
    152,475.33/210,412.83 = 84,491.70/x
  3. Step 3: Cross multiply
    152,475.33x = 210,412.83 × 84,491.70
  4. Step 4: Simplify right side
    152,475.33x = 17,778,137,708.51
  5. Step 5: Solve for x
    x = 17,778,137,708.51/152,475.33
  6. Step 6: Final answer
    x = 116,596.81

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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.