Home / 144,887.42-200,041.72-90,522.35

Finding the Fourth Proportional to 144,887.42, 200,041.72 and 90,522.35

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Solution

The fourth proportional to 144,887.42, 200,041.72 and 90,522.35 is: 124,981.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,887.42 : 200,041.72 = 90,522.35 : x
  2. Step 2: Convert to fraction form
    144,887.42/200,041.72 = 90,522.35/x
  3. Step 3: Cross multiply
    144,887.42x = 200,041.72 × 90,522.35
  4. Step 4: Simplify right side
    144,887.42x = 18,108,246,116.08
  5. Step 5: Solve for x
    x = 18,108,246,116.08/144,887.42
  6. Step 6: Final answer
    x = 124,981.49

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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.