Home / 147,689.00-203,783.93-83,148.20

Finding the Fourth Proportional to 147,689.00, 203,783.93 and 83,148.20

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Solution

The fourth proportional to 147,689.00, 203,783.93 and 83,148.20 is: 114,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,689.00 : 203,783.93 = 83,148.20 : x
  2. Step 2: Convert to fraction form
    147,689.00/203,783.93 = 83,148.20/x
  3. Step 3: Cross multiply
    147,689.00x = 203,783.93 × 83,148.20
  4. Step 4: Simplify right side
    147,689.00x = 16,944,265,533.77
  5. Step 5: Solve for x
    x = 16,944,265,533.77/147,689.00
  6. Step 6: Final answer
    x = 114,729.37

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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.