Home / 246,530.32-340,186.92-143,128.72

Finding the Fourth Proportional to 246,530.32, 340,186.92 and 143,128.72

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Solution

The fourth proportional to 246,530.32, 340,186.92 and 143,128.72 is: 197,503.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,530.32 : 340,186.92 = 143,128.72 : x
  2. Step 2: Convert to fraction form
    246,530.32/340,186.92 = 143,128.72/x
  3. Step 3: Cross multiply
    246,530.32x = 340,186.92 × 143,128.72
  4. Step 4: Simplify right side
    246,530.32x = 48,690,518,420.34
  5. Step 5: Solve for x
    x = 48,690,518,420.34/246,530.32
  6. Step 6: Final answer
    x = 197,503.16

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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.