Home / 141,285.76-211,903.08-57,042.40

Finding the Fourth Proportional to 141,285.76, 211,903.08 and 57,042.40

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Solution

The fourth proportional to 141,285.76, 211,903.08 and 57,042.40 is: 85,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,285.76 : 211,903.08 = 57,042.40 : x
  2. Step 2: Convert to fraction form
    141,285.76/211,903.08 = 57,042.40/x
  3. Step 3: Cross multiply
    141,285.76x = 211,903.08 × 57,042.40
  4. Step 4: Simplify right side
    141,285.76x = 12,087,460,250.59
  5. Step 5: Solve for x
    x = 12,087,460,250.59/141,285.76
  6. Step 6: Final answer
    x = 85,553.28

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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.