Home / 134,068.52-185,013.32-73,640.10

Finding the Fourth Proportional to 134,068.52, 185,013.32 and 73,640.10

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Solution

The fourth proportional to 134,068.52, 185,013.32 and 73,640.10 is: 101,622.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,068.52 : 185,013.32 = 73,640.10 : x
  2. Step 2: Convert to fraction form
    134,068.52/185,013.32 = 73,640.10/x
  3. Step 3: Cross multiply
    134,068.52x = 185,013.32 × 73,640.10
  4. Step 4: Simplify right side
    134,068.52x = 13,624,399,386.13
  5. Step 5: Solve for x
    x = 13,624,399,386.13/134,068.52
  6. Step 6: Final answer
    x = 101,622.66

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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.