Home / 115,529.69-159,425.28-64,532.30

Finding the Fourth Proportional to 115,529.69, 159,425.28 and 64,532.30

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Solution

The fourth proportional to 115,529.69, 159,425.28 and 64,532.30 is: 89,051.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,529.69 : 159,425.28 = 64,532.30 : x
  2. Step 2: Convert to fraction form
    115,529.69/159,425.28 = 64,532.30/x
  3. Step 3: Cross multiply
    115,529.69x = 159,425.28 × 64,532.30
  4. Step 4: Simplify right side
    115,529.69x = 10,288,079,199.42
  5. Step 5: Solve for x
    x = 10,288,079,199.42/115,529.69
  6. Step 6: Final answer
    x = 89,051.39

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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.