Home / 99,985.46-149,096.32-99,085.36

Finding the Fourth Proportional to 99,985.46, 149,096.32 and 99,085.36

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Solution

The fourth proportional to 99,985.46, 149,096.32 and 99,085.36 is: 147,754.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,985.46 : 149,096.32 = 99,085.36 : x
  2. Step 2: Convert to fraction form
    99,985.46/149,096.32 = 99,085.36/x
  3. Step 3: Cross multiply
    99,985.46x = 149,096.32 × 99,085.36
  4. Step 4: Simplify right side
    99,985.46x = 14,773,262,541.88
  5. Step 5: Solve for x
    x = 14,773,262,541.88/99,985.46
  6. Step 6: Final answer
    x = 147,754.11

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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.