Home / 99,985.96-149,097.07-99,085.85

Finding the Fourth Proportional to 99,985.96, 149,097.07 and 99,085.85

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Solution

The fourth proportional to 99,985.96, 149,097.07 and 99,085.85 is: 147,754.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,985.96 : 149,097.07 = 99,085.85 : x
  2. Step 2: Convert to fraction form
    99,985.96/149,097.07 = 99,085.85/x
  3. Step 3: Cross multiply
    99,985.96x = 149,097.07 × 99,085.85
  4. Step 4: Simplify right side
    99,985.96x = 14,773,409,913.46
  5. Step 5: Solve for x
    x = 14,773,409,913.46/99,985.96
  6. Step 6: Final answer
    x = 147,754.84

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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.