Home / 146,438.64-219,407.18-79,925.45

Finding the Fourth Proportional to 146,438.64, 219,407.18 and 79,925.45

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Solution

The fourth proportional to 146,438.64, 219,407.18 and 79,925.45 is: 119,751.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,438.64 : 219,407.18 = 79,925.45 : x
  2. Step 2: Convert to fraction form
    146,438.64/219,407.18 = 79,925.45/x
  3. Step 3: Cross multiply
    146,438.64x = 219,407.18 × 79,925.45
  4. Step 4: Simplify right side
    146,438.64x = 17,536,216,098.07
  5. Step 5: Solve for x
    x = 17,536,216,098.07/146,438.64
  6. Step 6: Final answer
    x = 119,751.29

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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.