Home / 84,109.49-126,142.71-24,931.32

Finding the Fourth Proportional to 84,109.49, 126,142.71 and 24,931.32

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Solution

The fourth proportional to 84,109.49, 126,142.71 and 24,931.32 is: 37,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,109.49 : 126,142.71 = 24,931.32 : x
  2. Step 2: Convert to fraction form
    84,109.49/126,142.71 = 24,931.32/x
  3. Step 3: Cross multiply
    84,109.49x = 126,142.71 × 24,931.32
  4. Step 4: Simplify right side
    84,109.49x = 3,144,904,268.68
  5. Step 5: Solve for x
    x = 3,144,904,268.68/84,109.49
  6. Step 6: Final answer
    x = 37,390.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.