Home / 134,639.40-201,959.10-131,723.40

Finding the Fourth Proportional to 134,639.40, 201,959.10 and 131,723.40

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Solution

The fourth proportional to 134,639.40, 201,959.10 and 131,723.40 is: 197,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,639.40 : 201,959.10 = 131,723.40 : x
  2. Step 2: Convert to fraction form
    134,639.40/201,959.10 = 131,723.40/x
  3. Step 3: Cross multiply
    134,639.40x = 201,959.10 × 131,723.40
  4. Step 4: Simplify right side
    134,639.40x = 26,602,739,312.94
  5. Step 5: Solve for x
    x = 26,602,739,312.94/134,639.40
  6. Step 6: Final answer
    x = 197,585.10

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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.