Home / 152,331.34-210,217.08-85,263.34

Finding the Fourth Proportional to 152,331.34, 210,217.08 and 85,263.34

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Solution

The fourth proportional to 152,331.34, 210,217.08 and 85,263.34 is: 117,663.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,331.34 : 210,217.08 = 85,263.34 : x
  2. Step 2: Convert to fraction form
    152,331.34/210,217.08 = 85,263.34/x
  3. Step 3: Cross multiply
    152,331.34x = 210,217.08 × 85,263.34
  4. Step 4: Simplify right side
    152,331.34x = 17,923,810,365.85
  5. Step 5: Solve for x
    x = 17,923,810,365.85/152,331.34
  6. Step 6: Final answer
    x = 117,663.31

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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.