Home / 155,105.64-232,628.22-42,756.84

Finding the Fourth Proportional to 155,105.64, 232,628.22 and 42,756.84

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Solution

The fourth proportional to 155,105.64, 232,628.22 and 42,756.84 is: 64,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,105.64 : 232,628.22 = 42,756.84 : x
  2. Step 2: Convert to fraction form
    155,105.64/232,628.22 = 42,756.84/x
  3. Step 3: Cross multiply
    155,105.64x = 232,628.22 × 42,756.84
  4. Step 4: Simplify right side
    155,105.64x = 9,946,447,582.02
  5. Step 5: Solve for x
    x = 9,946,447,582.02/155,105.64
  6. Step 6: Final answer
    x = 64,126.92

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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.