Home / 210,130.60-289,968.90-119,474.05

Finding the Fourth Proportional to 210,130.60, 289,968.90 and 119,474.05

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Solution

The fourth proportional to 210,130.60, 289,968.90 and 119,474.05 is: 164,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,130.60 : 289,968.90 = 119,474.05 : x
  2. Step 2: Convert to fraction form
    210,130.60/289,968.90 = 119,474.05/x
  3. Step 3: Cross multiply
    210,130.60x = 289,968.90 × 119,474.05
  4. Step 4: Simplify right side
    210,130.60x = 34,643,758,857.05
  5. Step 5: Solve for x
    x = 34,643,758,857.05/210,130.60
  6. Step 6: Final answer
    x = 164,867.75

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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.