Home / 130,856.88-196,285.36-42,117.32

Finding the Fourth Proportional to 130,856.88, 196,285.36 and 42,117.32

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Solution

The fourth proportional to 130,856.88, 196,285.36 and 42,117.32 is: 63,175.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,856.88 : 196,285.36 = 42,117.32 : x
  2. Step 2: Convert to fraction form
    130,856.88/196,285.36 = 42,117.32/x
  3. Step 3: Cross multiply
    130,856.88x = 196,285.36 × 42,117.32
  4. Step 4: Simplify right side
    130,856.88x = 8,267,013,318.44
  5. Step 5: Solve for x
    x = 8,267,013,318.44/130,856.88
  6. Step 6: Final answer
    x = 63,175.99

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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.