Home / 219,145.54-302,457.90-127,250.50

Finding the Fourth Proportional to 219,145.54, 302,457.90 and 127,250.50

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Solution

The fourth proportional to 219,145.54, 302,457.90 and 127,250.50 is: 175,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,145.54 : 302,457.90 = 127,250.50 : x
  2. Step 2: Convert to fraction form
    219,145.54/302,457.90 = 127,250.50/x
  3. Step 3: Cross multiply
    219,145.54x = 302,457.90 × 127,250.50
  4. Step 4: Simplify right side
    219,145.54x = 38,487,919,003.95
  5. Step 5: Solve for x
    x = 38,487,919,003.95/219,145.54
  6. Step 6: Final answer
    x = 175,627.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.