Home / 218,935.93-302,131.43-118,333.93

Finding the Fourth Proportional to 218,935.93, 302,131.43 and 118,333.93

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Solution

The fourth proportional to 218,935.93, 302,131.43 and 118,333.93 is: 163,300.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,935.93 : 302,131.43 = 118,333.93 : x
  2. Step 2: Convert to fraction form
    218,935.93/302,131.43 = 118,333.93/x
  3. Step 3: Cross multiply
    218,935.93x = 302,131.43 × 118,333.93
  4. Step 4: Simplify right side
    218,935.93x = 35,752,399,488.42
  5. Step 5: Solve for x
    x = 35,752,399,488.42/218,935.93
  6. Step 6: Final answer
    x = 163,300.74

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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.