Home / 99,516.34-149,077.68-46,765.90

Finding the Fourth Proportional to 99,516.34, 149,077.68 and 46,765.90

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Solution

The fourth proportional to 99,516.34, 149,077.68 and 46,765.90 is: 70,056.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,516.34 : 149,077.68 = 46,765.90 : x
  2. Step 2: Convert to fraction form
    99,516.34/149,077.68 = 46,765.90/x
  3. Step 3: Cross multiply
    99,516.34x = 149,077.68 × 46,765.90
  4. Step 4: Simplify right side
    99,516.34x = 6,971,751,875.11
  5. Step 5: Solve for x
    x = 6,971,751,875.11/99,516.34
  6. Step 6: Final answer
    x = 70,056.35

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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.