Home / 159,935.16-239,529.60-126,430.32

Finding the Fourth Proportional to 159,935.16, 239,529.60 and 126,430.32

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Solution

The fourth proportional to 159,935.16, 239,529.60 and 126,430.32 is: 189,350.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,935.16 : 239,529.60 = 126,430.32 : x
  2. Step 2: Convert to fraction form
    159,935.16/239,529.60 = 126,430.32/x
  3. Step 3: Cross multiply
    159,935.16x = 239,529.60 × 126,430.32
  4. Step 4: Simplify right side
    159,935.16x = 30,283,803,977.47
  5. Step 5: Solve for x
    x = 30,283,803,977.47/159,935.16
  6. Step 6: Final answer
    x = 189,350.51

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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.