Home / 218,976.85-302,187.23-118,374.85

Finding the Fourth Proportional to 218,976.85, 302,187.23 and 118,374.85

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Solution

The fourth proportional to 218,976.85, 302,187.23 and 118,374.85 is: 163,356.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,976.85 : 302,187.23 = 118,374.85 : x
  2. Step 2: Convert to fraction form
    218,976.85/302,187.23 = 118,374.85/x
  3. Step 3: Cross multiply
    218,976.85x = 302,187.23 × 118,374.85
  4. Step 4: Simplify right side
    218,976.85x = 35,771,368,023.17
  5. Step 5: Solve for x
    x = 35,771,368,023.17/218,976.85
  6. Step 6: Final answer
    x = 163,356.85

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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.