Home / 146,422.35-219,403.80-87,225.66

Finding the Fourth Proportional to 146,422.35, 219,403.80 and 87,225.66

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Solution

The fourth proportional to 146,422.35, 219,403.80 and 87,225.66 is: 130,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,422.35 : 219,403.80 = 87,225.66 : x
  2. Step 2: Convert to fraction form
    146,422.35/219,403.80 = 87,225.66/x
  3. Step 3: Cross multiply
    146,422.35x = 219,403.80 × 87,225.66
  4. Step 4: Simplify right side
    146,422.35x = 19,137,641,261.51
  5. Step 5: Solve for x
    x = 19,137,641,261.51/146,422.35
  6. Step 6: Final answer
    x = 130,701.64

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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.