Home / 147,477.80-203,482.82-87,049.64

Finding the Fourth Proportional to 147,477.80, 203,482.82 and 87,049.64

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Solution

The fourth proportional to 147,477.80, 203,482.82 and 87,049.64 is: 120,106.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,477.80 : 203,482.82 = 87,049.64 : x
  2. Step 2: Convert to fraction form
    147,477.80/203,482.82 = 87,049.64/x
  3. Step 3: Cross multiply
    147,477.80x = 203,482.82 × 87,049.64
  4. Step 4: Simplify right side
    147,477.80x = 17,713,106,227.18
  5. Step 5: Solve for x
    x = 17,713,106,227.18/147,477.80
  6. Step 6: Final answer
    x = 120,106.93

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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.