Home / 211,723.61-292,140.88-119,842.45

Finding the Fourth Proportional to 211,723.61, 292,140.88 and 119,842.45

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Solution

The fourth proportional to 211,723.61, 292,140.88 and 119,842.45 is: 165,361.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,723.61 : 292,140.88 = 119,842.45 : x
  2. Step 2: Convert to fraction form
    211,723.61/292,140.88 = 119,842.45/x
  3. Step 3: Cross multiply
    211,723.61x = 292,140.88 × 119,842.45
  4. Step 4: Simplify right side
    211,723.61x = 35,010,878,804.36
  5. Step 5: Solve for x
    x = 35,010,878,804.36/211,723.61
  6. Step 6: Final answer
    x = 165,361.24

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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.