Home / 145,770.80-201,094.97-85,304.37

Finding the Fourth Proportional to 145,770.80, 201,094.97 and 85,304.37

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Solution

The fourth proportional to 145,770.80, 201,094.97 and 85,304.37 is: 117,679.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,770.80 : 201,094.97 = 85,304.37 : x
  2. Step 2: Convert to fraction form
    145,770.80/201,094.97 = 85,304.37/x
  3. Step 3: Cross multiply
    145,770.80x = 201,094.97 × 85,304.37
  4. Step 4: Simplify right side
    145,770.80x = 17,154,279,299.50
  5. Step 5: Solve for x
    x = 17,154,279,299.50/145,770.80
  6. Step 6: Final answer
    x = 117,679.81

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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.