Home / 168,032.16-253,200.48-139,099.20

Finding the Fourth Proportional to 168,032.16, 253,200.48 and 139,099.20

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Solution

The fourth proportional to 168,032.16, 253,200.48 and 139,099.20 is: 209,602.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,032.16 : 253,200.48 = 139,099.20 : x
  2. Step 2: Convert to fraction form
    168,032.16/253,200.48 = 139,099.20/x
  3. Step 3: Cross multiply
    168,032.16x = 253,200.48 × 139,099.20
  4. Step 4: Simplify right side
    168,032.16x = 35,219,984,207.62
  5. Step 5: Solve for x
    x = 35,219,984,207.62/168,032.16
  6. Step 6: Final answer
    x = 209,602.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.