Home / 156,935.06-235,472.13-89,464.63

Finding the Fourth Proportional to 156,935.06, 235,472.13 and 89,464.63

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Solution

The fourth proportional to 156,935.06, 235,472.13 and 89,464.63 is: 134,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,935.06 : 235,472.13 = 89,464.63 : x
  2. Step 2: Convert to fraction form
    156,935.06/235,472.13 = 89,464.63/x
  3. Step 3: Cross multiply
    156,935.06x = 235,472.13 × 89,464.63
  4. Step 4: Simplify right side
    156,935.06x = 21,066,425,798.90
  5. Step 5: Solve for x
    x = 21,066,425,798.90/156,935.06
  6. Step 6: Final answer
    x = 134,236.58

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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.