Home / 145,733.76-218,608.40-45,901.76

Finding the Fourth Proportional to 145,733.76, 218,608.40 and 45,901.76

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Solution

The fourth proportional to 145,733.76, 218,608.40 and 45,901.76 is: 68,855.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,733.76 : 218,608.40 = 45,901.76 : x
  2. Step 2: Convert to fraction form
    145,733.76/218,608.40 = 45,901.76/x
  3. Step 3: Cross multiply
    145,733.76x = 218,608.40 × 45,901.76
  4. Step 4: Simplify right side
    145,733.76x = 10,034,510,310.78
  5. Step 5: Solve for x
    x = 10,034,510,310.78/145,733.76
  6. Step 6: Final answer
    x = 68,855.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.