Home / 114,895.08-172,345.50-31,789.80

Finding the Fourth Proportional to 114,895.08, 172,345.50 and 31,789.80

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Solution

The fourth proportional to 114,895.08, 172,345.50 and 31,789.80 is: 47,685.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,895.08 : 172,345.50 = 31,789.80 : x
  2. Step 2: Convert to fraction form
    114,895.08/172,345.50 = 31,789.80/x
  3. Step 3: Cross multiply
    114,895.08x = 172,345.50 × 31,789.80
  4. Step 4: Simplify right side
    114,895.08x = 5,478,828,975.90
  5. Step 5: Solve for x
    x = 5,478,828,975.90/114,895.08
  6. Step 6: Final answer
    x = 47,685.50

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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.