Home / 137,333.69-189,525.86-76,903.77

Finding the Fourth Proportional to 137,333.69, 189,525.86 and 76,903.77

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Solution

The fourth proportional to 137,333.69, 189,525.86 and 76,903.77 is: 106,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,333.69 : 189,525.86 = 76,903.77 : x
  2. Step 2: Convert to fraction form
    137,333.69/189,525.86 = 76,903.77/x
  3. Step 3: Cross multiply
    137,333.69x = 189,525.86 × 76,903.77
  4. Step 4: Simplify right side
    137,333.69x = 14,575,253,146.49
  5. Step 5: Solve for x
    x = 14,575,253,146.49/137,333.69
  6. Step 6: Final answer
    x = 106,130.21

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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.