Home / 146,165.40-219,305.70-57,403.80

Finding the Fourth Proportional to 146,165.40, 219,305.70 and 57,403.80

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Solution

The fourth proportional to 146,165.40, 219,305.70 and 57,403.80 is: 86,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,165.40 : 219,305.70 = 57,403.80 : x
  2. Step 2: Convert to fraction form
    146,165.40/219,305.70 = 57,403.80/x
  3. Step 3: Cross multiply
    146,165.40x = 219,305.70 × 57,403.80
  4. Step 4: Simplify right side
    146,165.40x = 12,588,980,541.66
  5. Step 5: Solve for x
    x = 12,588,980,541.66/146,165.40
  6. Step 6: Final answer
    x = 86,128.32

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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.