Home / 102,288.12-153,453.06-43,123.80

Finding the Fourth Proportional to 102,288.12, 153,453.06 and 43,123.80

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Solution

The fourth proportional to 102,288.12, 153,453.06 and 43,123.80 is: 64,694.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,288.12 : 153,453.06 = 43,123.80 : x
  2. Step 2: Convert to fraction form
    102,288.12/153,453.06 = 43,123.80/x
  3. Step 3: Cross multiply
    102,288.12x = 153,453.06 × 43,123.80
  4. Step 4: Simplify right side
    102,288.12x = 6,617,479,068.83
  5. Step 5: Solve for x
    x = 6,617,479,068.83/102,288.12
  6. Step 6: Final answer
    x = 64,694.50

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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.