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Finding the Fourth Proportional to 99,083.80, 148,625.70 and 97,443.55

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Solution

The fourth proportional to 99,083.80, 148,625.70 and 97,443.55 is: 146,165.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,083.80 : 148,625.70 = 97,443.55 : x
  2. Step 2: Convert to fraction form
    99,083.80/148,625.70 = 97,443.55/x
  3. Step 3: Cross multiply
    99,083.80x = 148,625.70 × 97,443.55
  4. Step 4: Simplify right side
    99,083.80x = 14,482,615,829.24
  5. Step 5: Solve for x
    x = 14,482,615,829.24/99,083.80
  6. Step 6: Final answer
    x = 146,165.33

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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.