Home / 144,738.72-199,750.51-91,069.74

Finding the Fourth Proportional to 144,738.72, 199,750.51 and 91,069.74

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Solution

The fourth proportional to 144,738.72, 199,750.51 and 91,069.74 is: 125,683.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,738.72 : 199,750.51 = 91,069.74 : x
  2. Step 2: Convert to fraction form
    144,738.72/199,750.51 = 91,069.74/x
  3. Step 3: Cross multiply
    144,738.72x = 199,750.51 × 91,069.74
  4. Step 4: Simplify right side
    144,738.72x = 18,191,225,784.14
  5. Step 5: Solve for x
    x = 18,191,225,784.14/144,738.72
  6. Step 6: Final answer
    x = 125,683.21

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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.