Home / 113,579.08-156,632.82-89,762.65

Finding the Fourth Proportional to 113,579.08, 156,632.82 and 89,762.65

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Solution

The fourth proportional to 113,579.08, 156,632.82 and 89,762.65 is: 123,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,579.08 : 156,632.82 = 89,762.65 : x
  2. Step 2: Convert to fraction form
    113,579.08/156,632.82 = 89,762.65/x
  3. Step 3: Cross multiply
    113,579.08x = 156,632.82 × 89,762.65
  4. Step 4: Simplify right side
    113,579.08x = 14,059,776,271.98
  5. Step 5: Solve for x
    x = 14,059,776,271.98/113,579.08
  6. Step 6: Final answer
    x = 123,788.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.