Home / 134,153.90-201,000.45-87,382.70

Finding the Fourth Proportional to 134,153.90, 201,000.45 and 87,382.70

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Solution

The fourth proportional to 134,153.90, 201,000.45 and 87,382.70 is: 130,923.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,153.90 : 201,000.45 = 87,382.70 : x
  2. Step 2: Convert to fraction form
    134,153.90/201,000.45 = 87,382.70/x
  3. Step 3: Cross multiply
    134,153.90x = 201,000.45 × 87,382.70
  4. Step 4: Simplify right side
    134,153.90x = 17,563,962,022.22
  5. Step 5: Solve for x
    x = 17,563,962,022.22/134,153.90
  6. Step 6: Final answer
    x = 130,923.98

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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.