Home / 118,804.27-163,818.55-75,715.57

Finding the Fourth Proportional to 118,804.27, 163,818.55 and 75,715.57

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Solution

The fourth proportional to 118,804.27, 163,818.55 and 75,715.57 is: 104,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,804.27 : 163,818.55 = 75,715.57 : x
  2. Step 2: Convert to fraction form
    118,804.27/163,818.55 = 75,715.57/x
  3. Step 3: Cross multiply
    118,804.27x = 163,818.55 × 75,715.57
  4. Step 4: Simplify right side
    118,804.27x = 12,403,614,574.92
  5. Step 5: Solve for x
    x = 12,403,614,574.92/118,804.27
  6. Step 6: Final answer
    x = 104,403.78

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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.