Home / 147,670.07-203,784.69-80,602.07

Finding the Fourth Proportional to 147,670.07, 203,784.69 and 80,602.07

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Solution

The fourth proportional to 147,670.07, 203,784.69 and 80,602.07 is: 111,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,670.07 : 203,784.69 = 80,602.07 : x
  2. Step 2: Convert to fraction form
    147,670.07/203,784.69 = 80,602.07/x
  3. Step 3: Cross multiply
    147,670.07x = 203,784.69 × 80,602.07
  4. Step 4: Simplify right side
    147,670.07x = 16,425,466,829.38
  5. Step 5: Solve for x
    x = 16,425,466,829.38/147,670.07
  6. Step 6: Final answer
    x = 111,230.85

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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.