Home / 178,213.16-245,922-104,649.80

Finding the Fourth Proportional to 178,213.16, 245,922 and 104,649.80

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Solution

The fourth proportional to 178,213.16, 245,922 and 104,649.80 is: 144,409.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,213.16 : 245,922 = 104,649.80 : x
  2. Step 2: Convert to fraction form
    178,213.16/245,922 = 104,649.80/x
  3. Step 3: Cross multiply
    178,213.16x = 245,922 × 104,649.80
  4. Step 4: Simplify right side
    178,213.16x = 25,735,688,115.60
  5. Step 5: Solve for x
    x = 25,735,688,115.60/178,213.16
  6. Step 6: Final answer
    x = 144,409.58

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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.