Home / 210,142.02-289,984.16-119,520.04

Finding the Fourth Proportional to 210,142.02, 289,984.16 and 119,520.04

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Solution

The fourth proportional to 210,142.02, 289,984.16 and 119,520.04 is: 164,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,142.02 : 289,984.16 = 119,520.04 : x
  2. Step 2: Convert to fraction form
    210,142.02/289,984.16 = 119,520.04/x
  3. Step 3: Cross multiply
    210,142.02x = 289,984.16 × 119,520.04
  4. Step 4: Simplify right side
    210,142.02x = 34,658,918,402.57
  5. Step 5: Solve for x
    x = 34,658,918,402.57/210,142.02
  6. Step 6: Final answer
    x = 164,930.93

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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.