Home / 102,224.65-153,271.32-67,123.30

Finding the Fourth Proportional to 102,224.65, 153,271.32 and 67,123.30

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Solution

The fourth proportional to 102,224.65, 153,271.32 and 67,123.30 is: 100,641.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,224.65 : 153,271.32 = 67,123.30 : x
  2. Step 2: Convert to fraction form
    102,224.65/153,271.32 = 67,123.30/x
  3. Step 3: Cross multiply
    102,224.65x = 153,271.32 × 67,123.30
  4. Step 4: Simplify right side
    102,224.65x = 10,288,076,793.76
  5. Step 5: Solve for x
    x = 10,288,076,793.76/102,224.65
  6. Step 6: Final answer
    x = 100,641.84

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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.