Home / 153,152.82-229,729.23-69,988.50

Finding the Fourth Proportional to 153,152.82, 229,729.23 and 69,988.50

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Solution

The fourth proportional to 153,152.82, 229,729.23 and 69,988.50 is: 104,982.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,152.82 : 229,729.23 = 69,988.50 : x
  2. Step 2: Convert to fraction form
    153,152.82/229,729.23 = 69,988.50/x
  3. Step 3: Cross multiply
    153,152.82x = 229,729.23 × 69,988.50
  4. Step 4: Simplify right side
    153,152.82x = 16,078,404,213.86
  5. Step 5: Solve for x
    x = 16,078,404,213.86/153,152.82
  6. Step 6: Final answer
    x = 104,982.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.