Home / 144,306.32-199,013.76-90,596.34

Finding the Fourth Proportional to 144,306.32, 199,013.76 and 90,596.34

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Solution

The fourth proportional to 144,306.32, 199,013.76 and 90,596.34 is: 124,941.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,306.32 : 199,013.76 = 90,596.34 : x
  2. Step 2: Convert to fraction form
    144,306.32/199,013.76 = 90,596.34/x
  3. Step 3: Cross multiply
    144,306.32x = 199,013.76 × 90,596.34
  4. Step 4: Simplify right side
    144,306.32x = 18,029,918,265.64
  5. Step 5: Solve for x
    x = 18,029,918,265.64/144,306.32
  6. Step 6: Final answer
    x = 124,941.99

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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.