Home / 94,137.14-129,909.47-51,698.40

Finding the Fourth Proportional to 94,137.14, 129,909.47 and 51,698.40

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Solution

The fourth proportional to 94,137.14, 129,909.47 and 51,698.40 is: 71,343.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,137.14 : 129,909.47 = 51,698.40 : x
  2. Step 2: Convert to fraction form
    94,137.14/129,909.47 = 51,698.40/x
  3. Step 3: Cross multiply
    94,137.14x = 129,909.47 × 51,698.40
  4. Step 4: Simplify right side
    94,137.14x = 6,716,111,485.36
  5. Step 5: Solve for x
    x = 6,716,111,485.36/94,137.14
  6. Step 6: Final answer
    x = 71,343.91

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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.