Home / 109,865.07-151,558.16-69,510.87

Finding the Fourth Proportional to 109,865.07, 151,558.16 and 69,510.87

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Solution

The fourth proportional to 109,865.07, 151,558.16 and 69,510.87 is: 95,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,865.07 : 151,558.16 = 69,510.87 : x
  2. Step 2: Convert to fraction form
    109,865.07/151,558.16 = 69,510.87/x
  3. Step 3: Cross multiply
    109,865.07x = 151,558.16 × 69,510.87
  4. Step 4: Simplify right side
    109,865.07x = 10,534,939,209.64
  5. Step 5: Solve for x
    x = 10,534,939,209.64/109,865.07
  6. Step 6: Final answer
    x = 95,889.80

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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.