Home / 112,782.91-169,178.46-37,905.55

Finding the Fourth Proportional to 112,782.91, 169,178.46 and 37,905.55

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Solution

The fourth proportional to 112,782.91, 169,178.46 and 37,905.55 is: 56,859.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,782.91 : 169,178.46 = 37,905.55 : x
  2. Step 2: Convert to fraction form
    112,782.91/169,178.46 = 37,905.55/x
  3. Step 3: Cross multiply
    112,782.91x = 169,178.46 × 37,905.55
  4. Step 4: Simplify right side
    112,782.91x = 6,412,802,574.45
  5. Step 5: Solve for x
    x = 6,412,802,574.45/112,782.91
  6. Step 6: Final answer
    x = 56,859.70

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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.