Home / 153,152.44-211,331.94-85,152.34

Finding the Fourth Proportional to 153,152.44, 211,331.94 and 85,152.34

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Solution

The fourth proportional to 153,152.44, 211,331.94 and 85,152.34 is: 117,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,152.44 : 211,331.94 = 85,152.34 : x
  2. Step 2: Convert to fraction form
    153,152.44/211,331.94 = 85,152.34/x
  3. Step 3: Cross multiply
    153,152.44x = 211,331.94 × 85,152.34
  4. Step 4: Simplify right side
    153,152.44x = 17,995,409,207.74
  5. Step 5: Solve for x
    x = 17,995,409,207.74/153,152.44
  6. Step 6: Final answer
    x = 117,499.98

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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.