Home / 101,453.07-152,080.68-42,305.64

Finding the Fourth Proportional to 101,453.07, 152,080.68 and 42,305.64

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Solution

The fourth proportional to 101,453.07, 152,080.68 and 42,305.64 is: 63,417.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,453.07 : 152,080.68 = 42,305.64 : x
  2. Step 2: Convert to fraction form
    101,453.07/152,080.68 = 42,305.64/x
  3. Step 3: Cross multiply
    101,453.07x = 152,080.68 × 42,305.64
  4. Step 4: Simplify right side
    101,453.07x = 6,433,870,499.04
  5. Step 5: Solve for x
    x = 6,433,870,499.04/101,453.07
  6. Step 6: Final answer
    x = 63,417.21

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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.