Home / 210,586.32-316,003.92-77,560.08

Finding the Fourth Proportional to 210,586.32, 316,003.92 and 77,560.08

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Solution

The fourth proportional to 210,586.32, 316,003.92 and 77,560.08 is: 116,385.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,586.32 : 316,003.92 = 77,560.08 : x
  2. Step 2: Convert to fraction form
    210,586.32/316,003.92 = 77,560.08/x
  3. Step 3: Cross multiply
    210,586.32x = 316,003.92 × 77,560.08
  4. Step 4: Simplify right side
    210,586.32x = 24,509,289,315.51
  5. Step 5: Solve for x
    x = 24,509,289,315.51/210,586.32
  6. Step 6: Final answer
    x = 116,385.95

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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.