Home / 120,141.59-180,265.14-57,007.36

Finding the Fourth Proportional to 120,141.59, 180,265.14 and 57,007.36

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Solution

The fourth proportional to 120,141.59, 180,265.14 and 57,007.36 is: 85,536.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,141.59 : 180,265.14 = 57,007.36 : x
  2. Step 2: Convert to fraction form
    120,141.59/180,265.14 = 57,007.36/x
  3. Step 3: Cross multiply
    120,141.59x = 180,265.14 × 57,007.36
  4. Step 4: Simplify right side
    120,141.59x = 10,276,439,280.77
  5. Step 5: Solve for x
    x = 10,276,439,280.77/120,141.59
  6. Step 6: Final answer
    x = 85,536.07

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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.