Home / 89,235.08-123,154.70-53,425.06

Finding the Fourth Proportional to 89,235.08, 123,154.70 and 53,425.06

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Solution

The fourth proportional to 89,235.08, 123,154.70 and 53,425.06 is: 73,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,235.08 : 123,154.70 = 53,425.06 : x
  2. Step 2: Convert to fraction form
    89,235.08/123,154.70 = 53,425.06/x
  3. Step 3: Cross multiply
    89,235.08x = 123,154.70 × 53,425.06
  4. Step 4: Simplify right side
    89,235.08x = 6,579,547,236.78
  5. Step 5: Solve for x
    x = 6,579,547,236.78/89,235.08
  6. Step 6: Final answer
    x = 73,732.74

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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.