Home / 134,025.40-200,807.70-87,254.20

Finding the Fourth Proportional to 134,025.40, 200,807.70 and 87,254.20

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Solution

The fourth proportional to 134,025.40, 200,807.70 and 87,254.20 is: 130,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,025.40 : 200,807.70 = 87,254.20 : x
  2. Step 2: Convert to fraction form
    134,025.40/200,807.70 = 87,254.20/x
  3. Step 3: Cross multiply
    134,025.40x = 200,807.70 × 87,254.20
  4. Step 4: Simplify right side
    134,025.40x = 17,521,315,217.34
  5. Step 5: Solve for x
    x = 17,521,315,217.34/134,025.40
  6. Step 6: Final answer
    x = 130,731.30

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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.