Home / 102,219.32-141,062.65-56,896.32

Finding the Fourth Proportional to 102,219.32, 141,062.65 and 56,896.32

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Solution

The fourth proportional to 102,219.32, 141,062.65 and 56,896.32 is: 78,516.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,219.32 : 141,062.65 = 56,896.32 : x
  2. Step 2: Convert to fraction form
    102,219.32/141,062.65 = 56,896.32/x
  3. Step 3: Cross multiply
    102,219.32x = 141,062.65 × 56,896.32
  4. Step 4: Simplify right side
    102,219.32x = 8,025,946,061.19
  5. Step 5: Solve for x
    x = 8,025,946,061.19/102,219.32
  6. Step 6: Final answer
    x = 78,516.92

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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.