Home / 152,713.60-229,070.40-82,729.60

Finding the Fourth Proportional to 152,713.60, 229,070.40 and 82,729.60

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Solution

The fourth proportional to 152,713.60, 229,070.40 and 82,729.60 is: 124,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,713.60 : 229,070.40 = 82,729.60 : x
  2. Step 2: Convert to fraction form
    152,713.60/229,070.40 = 82,729.60/x
  3. Step 3: Cross multiply
    152,713.60x = 229,070.40 × 82,729.60
  4. Step 4: Simplify right side
    152,713.60x = 18,950,902,563.84
  5. Step 5: Solve for x
    x = 18,950,902,563.84/152,713.60
  6. Step 6: Final answer
    x = 124,094.40

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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.