Home / 156,430.64-216,052.44-106,042.16

Finding the Fourth Proportional to 156,430.64, 216,052.44 and 106,042.16

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Solution

The fourth proportional to 156,430.64, 216,052.44 and 106,042.16 is: 146,458.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,430.64 : 216,052.44 = 106,042.16 : x
  2. Step 2: Convert to fraction form
    156,430.64/216,052.44 = 106,042.16/x
  3. Step 3: Cross multiply
    156,430.64x = 216,052.44 × 106,042.16
  4. Step 4: Simplify right side
    156,430.64x = 22,910,667,410.87
  5. Step 5: Solve for x
    x = 22,910,667,410.87/156,430.64
  6. Step 6: Final answer
    x = 146,458.95

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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.