Home / 102,364.64-141,198.56-70,478.16

Finding the Fourth Proportional to 102,364.64, 141,198.56 and 70,478.16

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Solution

The fourth proportional to 102,364.64, 141,198.56 and 70,478.16 is: 97,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,364.64 : 141,198.56 = 70,478.16 : x
  2. Step 2: Convert to fraction form
    102,364.64/141,198.56 = 70,478.16/x
  3. Step 3: Cross multiply
    102,364.64x = 141,198.56 × 70,478.16
  4. Step 4: Simplify right side
    102,364.64x = 9,951,414,703.45
  5. Step 5: Solve for x
    x = 9,951,414,703.45/102,364.64
  6. Step 6: Final answer
    x = 97,215.35

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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.