Home / 152,313.72-210,189.63-84,326.70

Finding the Fourth Proportional to 152,313.72, 210,189.63 and 84,326.70

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Solution

The fourth proportional to 152,313.72, 210,189.63 and 84,326.70 is: 116,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,313.72 : 210,189.63 = 84,326.70 : x
  2. Step 2: Convert to fraction form
    152,313.72/210,189.63 = 84,326.70/x
  3. Step 3: Cross multiply
    152,313.72x = 210,189.63 × 84,326.70
  4. Step 4: Simplify right side
    152,313.72x = 17,724,598,976.56
  5. Step 5: Solve for x
    x = 17,724,598,976.56/152,313.72
  6. Step 6: Final answer
    x = 116,369.03

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1.5x scale

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.