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Finding the Fourth Proportional to 99,064.24, 147,816.19 and 93,037.24

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Solution

The fourth proportional to 99,064.24, 147,816.19 and 93,037.24 is: 138,823.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,064.24 : 147,816.19 = 93,037.24 : x
  2. Step 2: Convert to fraction form
    99,064.24/147,816.19 = 93,037.24/x
  3. Step 3: Cross multiply
    99,064.24x = 147,816.19 × 93,037.24
  4. Step 4: Simplify right side
    99,064.24x = 13,752,410,344.92
  5. Step 5: Solve for x
    x = 13,752,410,344.92/99,064.24
  6. Step 6: Final answer
    x = 138,823.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.