Home / 147,017.76-220,538.32-45,803.36

Finding the Fourth Proportional to 147,017.76, 220,538.32 and 45,803.36

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Solution

The fourth proportional to 147,017.76, 220,538.32 and 45,803.36 is: 68,708.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,017.76 : 220,538.32 = 45,803.36 : x
  2. Step 2: Convert to fraction form
    147,017.76/220,538.32 = 45,803.36/x
  3. Step 3: Cross multiply
    147,017.76x = 220,538.32 × 45,803.36
  4. Step 4: Simplify right side
    147,017.76x = 10,101,396,064.76
  5. Step 5: Solve for x
    x = 10,101,396,064.76/147,017.76
  6. Step 6: Final answer
    x = 68,708.68

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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.