Home / 123,901.38-185,851.45-35,155.05

Finding the Fourth Proportional to 123,901.38, 185,851.45 and 35,155.05

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Solution

The fourth proportional to 123,901.38, 185,851.45 and 35,155.05 is: 52,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,901.38 : 185,851.45 = 35,155.05 : x
  2. Step 2: Convert to fraction form
    123,901.38/185,851.45 = 35,155.05/x
  3. Step 3: Cross multiply
    123,901.38x = 185,851.45 × 35,155.05
  4. Step 4: Simplify right side
    123,901.38x = 6,533,617,017.32
  5. Step 5: Solve for x
    x = 6,533,617,017.32/123,901.38
  6. Step 6: Final answer
    x = 52,732.40

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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.