Home / 145,057.68-217,581.94-39,875.76

Finding the Fourth Proportional to 145,057.68, 217,581.94 and 39,875.76

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Solution

The fourth proportional to 145,057.68, 217,581.94 and 39,875.76 is: 59,812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,057.68 : 217,581.94 = 39,875.76 : x
  2. Step 2: Convert to fraction form
    145,057.68/217,581.94 = 39,875.76/x
  3. Step 3: Cross multiply
    145,057.68x = 217,581.94 × 39,875.76
  4. Step 4: Simplify right side
    145,057.68x = 8,676,245,219.77
  5. Step 5: Solve for x
    x = 8,676,245,219.77/145,057.68
  6. Step 6: Final answer
    x = 59,812.38

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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.