Home / 147,913.50-204,134.99-87,503.59

Finding the Fourth Proportional to 147,913.50, 204,134.99 and 87,503.59

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Solution

The fourth proportional to 147,913.50, 204,134.99 and 87,503.59 is: 120,763.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,913.50 : 204,134.99 = 87,503.59 : x
  2. Step 2: Convert to fraction form
    147,913.50/204,134.99 = 87,503.59/x
  3. Step 3: Cross multiply
    147,913.50x = 204,134.99 × 87,503.59
  4. Step 4: Simplify right side
    147,913.50x = 17,862,544,469.61
  5. Step 5: Solve for x
    x = 17,862,544,469.61/147,913.50
  6. Step 6: Final answer
    x = 120,763.45

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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.