Home / 144,332.61-199,049.94-90,622.59

Finding the Fourth Proportional to 144,332.61, 199,049.94 and 90,622.59

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Solution

The fourth proportional to 144,332.61, 199,049.94 and 90,622.59 is: 124,978.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,332.61 : 199,049.94 = 90,622.59 : x
  2. Step 2: Convert to fraction form
    144,332.61/199,049.94 = 90,622.59/x
  3. Step 3: Cross multiply
    144,332.61x = 199,049.94 × 90,622.59
  4. Step 4: Simplify right side
    144,332.61x = 18,038,421,102.14
  5. Step 5: Solve for x
    x = 18,038,421,102.14/144,332.61
  6. Step 6: Final answer
    x = 124,978.14

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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.