Home / 165,714.20-248,603.70-65,857.40

Finding the Fourth Proportional to 165,714.20, 248,603.70 and 65,857.40

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Solution

The fourth proportional to 165,714.20, 248,603.70 and 65,857.40 is: 98,798.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,714.20 : 248,603.70 = 65,857.40 : x
  2. Step 2: Convert to fraction form
    165,714.20/248,603.70 = 65,857.40/x
  3. Step 3: Cross multiply
    165,714.20x = 248,603.70 × 65,857.40
  4. Step 4: Simplify right side
    165,714.20x = 16,372,393,312.38
  5. Step 5: Solve for x
    x = 16,372,393,312.38/165,714.20
  6. Step 6: Final answer
    x = 98,798.98

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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.