Home / 119,939.36-179,909.63-49,818.74

Finding the Fourth Proportional to 119,939.36, 179,909.63 and 49,818.74

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Solution

The fourth proportional to 119,939.36, 179,909.63 and 49,818.74 is: 74,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,939.36 : 179,909.63 = 49,818.74 : x
  2. Step 2: Convert to fraction form
    119,939.36/179,909.63 = 49,818.74/x
  3. Step 3: Cross multiply
    119,939.36x = 179,909.63 × 49,818.74
  4. Step 4: Simplify right side
    119,939.36x = 8,962,869,931.82
  5. Step 5: Solve for x
    x = 8,962,869,931.82/119,939.36
  6. Step 6: Final answer
    x = 74,728.35

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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.