Home / 210,142.08-289,984.25-119,520.09

Finding the Fourth Proportional to 210,142.08, 289,984.25 and 119,520.09

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Solution

The fourth proportional to 210,142.08, 289,984.25 and 119,520.09 is: 164,931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,142.08 : 289,984.25 = 119,520.09 : x
  2. Step 2: Convert to fraction form
    210,142.08/289,984.25 = 119,520.09/x
  3. Step 3: Cross multiply
    210,142.08x = 289,984.25 × 119,520.09
  4. Step 4: Simplify right side
    210,142.08x = 34,658,943,957.38
  5. Step 5: Solve for x
    x = 34,658,943,957.38/210,142.08
  6. Step 6: Final answer
    x = 164,931.00

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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.