Home / 138,472.37-191,018.59-95,377.74

Finding the Fourth Proportional to 138,472.37, 191,018.59 and 95,377.74

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Solution

The fourth proportional to 138,472.37, 191,018.59 and 95,377.74 is: 131,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,472.37 : 191,018.59 = 95,377.74 : x
  2. Step 2: Convert to fraction form
    138,472.37/191,018.59 = 95,377.74/x
  3. Step 3: Cross multiply
    138,472.37x = 191,018.59 × 95,377.74
  4. Step 4: Simplify right side
    138,472.37x = 18,218,920,457.42
  5. Step 5: Solve for x
    x = 18,218,920,457.42/138,472.37
  6. Step 6: Final answer
    x = 131,570.80

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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.