Home / 127,835.52-191,740.32-34,329.12

Finding the Fourth Proportional to 127,835.52, 191,740.32 and 34,329.12

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Solution

The fourth proportional to 127,835.52, 191,740.32 and 34,329.12 is: 51,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,835.52 : 191,740.32 = 34,329.12 : x
  2. Step 2: Convert to fraction form
    127,835.52/191,740.32 = 34,329.12/x
  3. Step 3: Cross multiply
    127,835.52x = 191,740.32 × 34,329.12
  4. Step 4: Simplify right side
    127,835.52x = 6,582,276,454.12
  5. Step 5: Solve for x
    x = 6,582,276,454.12/127,835.52
  6. Step 6: Final answer
    x = 51,490.20

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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.