Home / 127,595.53-191,264.63-80,244.45

Finding the Fourth Proportional to 127,595.53, 191,264.63 and 80,244.45

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Solution

The fourth proportional to 127,595.53, 191,264.63 and 80,244.45 is: 120,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,595.53 : 191,264.63 = 80,244.45 : x
  2. Step 2: Convert to fraction form
    127,595.53/191,264.63 = 80,244.45/x
  3. Step 3: Cross multiply
    127,595.53x = 191,264.63 × 80,244.45
  4. Step 4: Simplify right side
    127,595.53x = 15,347,925,038.80
  5. Step 5: Solve for x
    x = 15,347,925,038.80/127,595.53
  6. Step 6: Final answer
    x = 120,285.76

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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.