Home / 102,865.36-141,955.32-60,425.68

Finding the Fourth Proportional to 102,865.36, 141,955.32 and 60,425.68

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Solution

The fourth proportional to 102,865.36, 141,955.32 and 60,425.68 is: 83,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,865.36 : 141,955.32 = 60,425.68 : x
  2. Step 2: Convert to fraction form
    102,865.36/141,955.32 = 60,425.68/x
  3. Step 3: Cross multiply
    102,865.36x = 141,955.32 × 60,425.68
  4. Step 4: Simplify right side
    102,865.36x = 8,577,746,740.62
  5. Step 5: Solve for x
    x = 8,577,746,740.62/102,865.36
  6. Step 6: Final answer
    x = 83,388.10

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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.