Home / 145,688.92-218,552.51-50,920.74

Finding the Fourth Proportional to 145,688.92, 218,552.51 and 50,920.74

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Solution

The fourth proportional to 145,688.92, 218,552.51 and 50,920.74 is: 76,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,688.92 : 218,552.51 = 50,920.74 : x
  2. Step 2: Convert to fraction form
    145,688.92/218,552.51 = 50,920.74/x
  3. Step 3: Cross multiply
    145,688.92x = 218,552.51 × 50,920.74
  4. Step 4: Simplify right side
    145,688.92x = 11,128,855,665.36
  5. Step 5: Solve for x
    x = 11,128,855,665.36/145,688.92
  6. Step 6: Final answer
    x = 76,387.80

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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.