Home / 257,733.48-355,555.64-167,112.40

Finding the Fourth Proportional to 257,733.48, 355,555.64 and 167,112.40

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Solution

The fourth proportional to 257,733.48, 355,555.64 and 167,112.40 is: 230,539.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,733.48 : 355,555.64 = 167,112.40 : x
  2. Step 2: Convert to fraction form
    257,733.48/355,555.64 = 167,112.40/x
  3. Step 3: Cross multiply
    257,733.48x = 355,555.64 × 167,112.40
  4. Step 4: Simplify right side
    257,733.48x = 59,417,756,333.94
  5. Step 5: Solve for x
    x = 59,417,756,333.94/257,733.48
  6. Step 6: Final answer
    x = 230,539.53

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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.