Home / 210,967.60-291,124.02-115,455.82

Finding the Fourth Proportional to 210,967.60, 291,124.02 and 115,455.82

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Solution

The fourth proportional to 210,967.60, 291,124.02 and 115,455.82 is: 159,322.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,967.60 : 291,124.02 = 115,455.82 : x
  2. Step 2: Convert to fraction form
    210,967.60/291,124.02 = 115,455.82/x
  3. Step 3: Cross multiply
    210,967.60x = 291,124.02 × 115,455.82
  4. Step 4: Simplify right side
    210,967.60x = 33,611,962,450.80
  5. Step 5: Solve for x
    x = 33,611,962,450.80/210,967.60
  6. Step 6: Final answer
    x = 159,322.86

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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.