Home / 145,856.94-219,180.69-79,346.22

Finding the Fourth Proportional to 145,856.94, 219,180.69 and 79,346.22

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Solution

The fourth proportional to 145,856.94, 219,180.69 and 79,346.22 is: 119,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,856.94 : 219,180.69 = 79,346.22 : x
  2. Step 2: Convert to fraction form
    145,856.94/219,180.69 = 79,346.22/x
  3. Step 3: Cross multiply
    145,856.94x = 219,180.69 × 79,346.22
  4. Step 4: Simplify right side
    145,856.94x = 17,391,159,248.49
  5. Step 5: Solve for x
    x = 17,391,159,248.49/145,856.94
  6. Step 6: Final answer
    x = 119,234.36

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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.