Home / 131,033.34-180,826.16-74,455.65

Finding the Fourth Proportional to 131,033.34, 180,826.16 and 74,455.65

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Solution

The fourth proportional to 131,033.34, 180,826.16 and 74,455.65 is: 102,748.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,033.34 : 180,826.16 = 74,455.65 : x
  2. Step 2: Convert to fraction form
    131,033.34/180,826.16 = 74,455.65/x
  3. Step 3: Cross multiply
    131,033.34x = 180,826.16 × 74,455.65
  4. Step 4: Simplify right side
    131,033.34x = 13,463,528,907.53
  5. Step 5: Solve for x
    x = 13,463,528,907.53/131,033.34
  6. Step 6: Final answer
    x = 102,748.88

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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.