Home / 147,623.50-220,975.98-142,899.58

Finding the Fourth Proportional to 147,623.50, 220,975.98 and 142,899.58

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Solution

The fourth proportional to 147,623.50, 220,975.98 and 142,899.58 is: 213,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,623.50 : 220,975.98 = 142,899.58 : x
  2. Step 2: Convert to fraction form
    147,623.50/220,975.98 = 142,899.58/x
  3. Step 3: Cross multiply
    147,623.50x = 220,975.98 × 142,899.58
  4. Step 4: Simplify right side
    147,623.50x = 31,577,374,732.09
  5. Step 5: Solve for x
    x = 31,577,374,732.09/147,623.50
  6. Step 6: Final answer
    x = 213,904.80

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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.