Home / 140,283.50-210,474.45-72,783.16

Finding the Fourth Proportional to 140,283.50, 210,474.45 and 72,783.16

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Solution

The fourth proportional to 140,283.50, 210,474.45 and 72,783.16 is: 109,200.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,283.50 : 210,474.45 = 72,783.16 : x
  2. Step 2: Convert to fraction form
    140,283.50/210,474.45 = 72,783.16/x
  3. Step 3: Cross multiply
    140,283.50x = 210,474.45 × 72,783.16
  4. Step 4: Simplify right side
    140,283.50x = 15,318,995,044.08
  5. Step 5: Solve for x
    x = 15,318,995,044.08/140,283.50
  6. Step 6: Final answer
    x = 109,200.27

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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.