Home / 102,284.52-153,447.74-43,120.30

Finding the Fourth Proportional to 102,284.52, 153,447.74 and 43,120.30

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Solution

The fourth proportional to 102,284.52, 153,447.74 and 43,120.30 is: 64,689.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,284.52 : 153,447.74 = 43,120.30 : x
  2. Step 2: Convert to fraction form
    102,284.52/153,447.74 = 43,120.30/x
  3. Step 3: Cross multiply
    102,284.52x = 153,447.74 × 43,120.30
  4. Step 4: Simplify right side
    102,284.52x = 6,616,712,583.12
  5. Step 5: Solve for x
    x = 6,616,712,583.12/102,284.52
  6. Step 6: Final answer
    x = 64,689.29

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1.5x scale

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.