Home / 175,623.20-263,434.80-140,631.20

Finding the Fourth Proportional to 175,623.20, 263,434.80 and 140,631.20

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Solution

The fourth proportional to 175,623.20, 263,434.80 and 140,631.20 is: 210,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,623.20 : 263,434.80 = 140,631.20 : x
  2. Step 2: Convert to fraction form
    175,623.20/263,434.80 = 140,631.20/x
  3. Step 3: Cross multiply
    175,623.20x = 263,434.80 × 140,631.20
  4. Step 4: Simplify right side
    175,623.20x = 37,047,152,045.76
  5. Step 5: Solve for x
    x = 37,047,152,045.76/175,623.20
  6. Step 6: Final answer
    x = 210,946.80

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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.