Home / 127,685.34-191,529.90-48,803.76

Finding the Fourth Proportional to 127,685.34, 191,529.90 and 48,803.76

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Solution

The fourth proportional to 127,685.34, 191,529.90 and 48,803.76 is: 73,206.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,685.34 : 191,529.90 = 48,803.76 : x
  2. Step 2: Convert to fraction form
    127,685.34/191,529.90 = 48,803.76/x
  3. Step 3: Cross multiply
    127,685.34x = 191,529.90 × 48,803.76
  4. Step 4: Simplify right side
    127,685.34x = 9,347,379,272.42
  5. Step 5: Solve for x
    x = 9,347,379,272.42/127,685.34
  6. Step 6: Final answer
    x = 73,206.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.