Home / 146,576.20-219,713.10-79,875.40

Finding the Fourth Proportional to 146,576.20, 219,713.10 and 79,875.40

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Solution

The fourth proportional to 146,576.20, 219,713.10 and 79,875.40 is: 119,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,576.20 : 219,713.10 = 79,875.40 : x
  2. Step 2: Convert to fraction form
    146,576.20/219,713.10 = 79,875.40/x
  3. Step 3: Cross multiply
    146,576.20x = 219,713.10 × 79,875.40
  4. Step 4: Simplify right side
    146,576.20x = 17,549,671,747.74
  5. Step 5: Solve for x
    x = 17,549,671,747.74/146,576.20
  6. Step 6: Final answer
    x = 119,730.70

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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.