Home / 130,731.90-180,347.22-82,901.94

Finding the Fourth Proportional to 130,731.90, 180,347.22 and 82,901.94

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Solution

The fourth proportional to 130,731.90, 180,347.22 and 82,901.94 is: 114,364.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,731.90 : 180,347.22 = 82,901.94 : x
  2. Step 2: Convert to fraction form
    130,731.90/180,347.22 = 82,901.94/x
  3. Step 3: Cross multiply
    130,731.90x = 180,347.22 × 82,901.94
  4. Step 4: Simplify right side
    130,731.90x = 14,951,134,411.61
  5. Step 5: Solve for x
    x = 14,951,134,411.61/130,731.90
  6. Step 6: Final answer
    x = 114,364.85

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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.