Home / 149,192.30-223,878.28-54,430.80

Finding the Fourth Proportional to 149,192.30, 223,878.28 and 54,430.80

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Solution

The fourth proportional to 149,192.30, 223,878.28 and 54,430.80 is: 81,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,192.30 : 223,878.28 = 54,430.80 : x
  2. Step 2: Convert to fraction form
    149,192.30/223,878.28 = 54,430.80/x
  3. Step 3: Cross multiply
    149,192.30x = 223,878.28 × 54,430.80
  4. Step 4: Simplify right side
    149,192.30x = 12,185,874,268.78
  5. Step 5: Solve for x
    x = 12,185,874,268.78/149,192.30
  6. Step 6: Final answer
    x = 81,678.98

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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.