Home / 126,349.53-174,359.75-72,634.07

Finding the Fourth Proportional to 126,349.53, 174,359.75 and 72,634.07

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Solution

The fourth proportional to 126,349.53, 174,359.75 and 72,634.07 is: 100,233.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,349.53 : 174,359.75 = 72,634.07 : x
  2. Step 2: Convert to fraction form
    126,349.53/174,359.75 = 72,634.07/x
  3. Step 3: Cross multiply
    126,349.53x = 174,359.75 × 72,634.07
  4. Step 4: Simplify right side
    126,349.53x = 12,664,457,051.71
  5. Step 5: Solve for x
    x = 12,664,457,051.71/126,349.53
  6. Step 6: Final answer
    x = 100,233.51

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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.