Home / 213,934.79-295,230-118,447.63

Finding the Fourth Proportional to 213,934.79, 295,230 and 118,447.63

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Solution

The fourth proportional to 213,934.79, 295,230 and 118,447.63 is: 163,457.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,934.79 : 295,230 = 118,447.63 : x
  2. Step 2: Convert to fraction form
    213,934.79/295,230 = 118,447.63/x
  3. Step 3: Cross multiply
    213,934.79x = 295,230 × 118,447.63
  4. Step 4: Simplify right side
    213,934.79x = 34,969,293,066.83
  5. Step 5: Solve for x
    x = 34,969,293,066.83/213,934.79
  6. Step 6: Final answer
    x = 163,457.72

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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.