Home / 117,117.59-175,661.81-38,225.21

Finding the Fourth Proportional to 117,117.59, 175,661.81 and 38,225.21

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Solution

The fourth proportional to 117,117.59, 175,661.81 and 38,225.21 is: 57,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,117.59 : 175,661.81 = 38,225.21 : x
  2. Step 2: Convert to fraction form
    117,117.59/175,661.81 = 38,225.21/x
  3. Step 3: Cross multiply
    117,117.59x = 175,661.81 × 38,225.21
  4. Step 4: Simplify right side
    117,117.59x = 6,714,709,385.10
  5. Step 5: Solve for x
    x = 6,714,709,385.10/117,117.59
  6. Step 6: Final answer
    x = 57,333.06

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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.