Home / 170,179.45-234,920.32-121,152.71

Finding the Fourth Proportional to 170,179.45, 234,920.32 and 121,152.71

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Solution

The fourth proportional to 170,179.45, 234,920.32 and 121,152.71 is: 167,242.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,179.45 : 234,920.32 = 121,152.71 : x
  2. Step 2: Convert to fraction form
    170,179.45/234,920.32 = 121,152.71/x
  3. Step 3: Cross multiply
    170,179.45x = 234,920.32 × 121,152.71
  4. Step 4: Simplify right side
    170,179.45x = 28,461,233,686.49
  5. Step 5: Solve for x
    x = 28,461,233,686.49/170,179.45
  6. Step 6: Final answer
    x = 167,242.48

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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.