Home / 210,977.32-291,149.14-115,490.12

Finding the Fourth Proportional to 210,977.32, 291,149.14 and 115,490.12

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Solution

The fourth proportional to 210,977.32, 291,149.14 and 115,490.12 is: 159,376.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,977.32 : 291,149.14 = 115,490.12 : x
  2. Step 2: Convert to fraction form
    210,977.32/291,149.14 = 115,490.12/x
  3. Step 3: Cross multiply
    210,977.32x = 291,149.14 × 115,490.12
  4. Step 4: Simplify right side
    210,977.32x = 33,624,849,116.50
  5. Step 5: Solve for x
    x = 33,624,849,116.50/210,977.32
  6. Step 6: Final answer
    x = 159,376.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.