Home / 131,508.01-181,477.41-74,146.83

Finding the Fourth Proportional to 131,508.01, 181,477.41 and 74,146.83

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Solution

The fourth proportional to 131,508.01, 181,477.41 and 74,146.83 is: 102,320.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,508.01 : 181,477.41 = 74,146.83 : x
  2. Step 2: Convert to fraction form
    131,508.01/181,477.41 = 74,146.83/x
  3. Step 3: Cross multiply
    131,508.01x = 181,477.41 × 74,146.83
  4. Step 4: Simplify right side
    131,508.01x = 13,455,974,668.11
  5. Step 5: Solve for x
    x = 13,455,974,668.11/131,508.01
  6. Step 6: Final answer
    x = 102,320.57

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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.