Home / 138,861.16-208,303.92-39,022.18

Finding the Fourth Proportional to 138,861.16, 208,303.92 and 39,022.18

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Solution

The fourth proportional to 138,861.16, 208,303.92 and 39,022.18 is: 58,536.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,861.16 : 208,303.92 = 39,022.18 : x
  2. Step 2: Convert to fraction form
    138,861.16/208,303.92 = 39,022.18/x
  3. Step 3: Cross multiply
    138,861.16x = 208,303.92 × 39,022.18
  4. Step 4: Simplify right side
    138,861.16x = 8,128,473,060.95
  5. Step 5: Solve for x
    x = 8,128,473,060.95/138,861.16
  6. Step 6: Final answer
    x = 58,536.69

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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.