Home / 137,011.15-189,093.21-76,594.36

Finding the Fourth Proportional to 137,011.15, 189,093.21 and 76,594.36

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Solution

The fourth proportional to 137,011.15, 189,093.21 and 76,594.36 is: 105,710.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,011.15 : 189,093.21 = 76,594.36 : x
  2. Step 2: Convert to fraction form
    137,011.15/189,093.21 = 76,594.36/x
  3. Step 3: Cross multiply
    137,011.15x = 189,093.21 × 76,594.36
  4. Step 4: Simplify right side
    137,011.15x = 14,483,473,400.30
  5. Step 5: Solve for x
    x = 14,483,473,400.30/137,011.15
  6. Step 6: Final answer
    x = 105,710.18

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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.