Home / 89,186.81-123,076.40-48,900.92

Finding the Fourth Proportional to 89,186.81, 123,076.40 and 48,900.92

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Solution

The fourth proportional to 89,186.81, 123,076.40 and 48,900.92 is: 67,482.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,186.81 : 123,076.40 = 48,900.92 : x
  2. Step 2: Convert to fraction form
    89,186.81/123,076.40 = 48,900.92/x
  3. Step 3: Cross multiply
    89,186.81x = 123,076.40 × 48,900.92
  4. Step 4: Simplify right side
    89,186.81x = 6,018,548,330.40
  5. Step 5: Solve for x
    x = 6,018,548,330.40/89,186.81
  6. Step 6: Final answer
    x = 67,482.50

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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.