Home / 105,210.64-157,816.56-35,089.75

Finding the Fourth Proportional to 105,210.64, 157,816.56 and 35,089.75

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Solution

The fourth proportional to 105,210.64, 157,816.56 and 35,089.75 is: 52,634.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,210.64 : 157,816.56 = 35,089.75 : x
  2. Step 2: Convert to fraction form
    105,210.64/157,816.56 = 35,089.75/x
  3. Step 3: Cross multiply
    105,210.64x = 157,816.56 × 35,089.75
  4. Step 4: Simplify right side
    105,210.64x = 5,537,742,671.73
  5. Step 5: Solve for x
    x = 5,537,742,671.73/105,210.64
  6. Step 6: Final answer
    x = 52,634.82

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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.