Home / 199,516.16-274,952.40-142,829.12

Finding the Fourth Proportional to 199,516.16, 274,952.40 and 142,829.12

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Solution

The fourth proportional to 199,516.16, 274,952.40 and 142,829.12 is: 196,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,516.16 : 274,952.40 = 142,829.12 : x
  2. Step 2: Convert to fraction form
    199,516.16/274,952.40 = 142,829.12/x
  3. Step 3: Cross multiply
    199,516.16x = 274,952.40 × 142,829.12
  4. Step 4: Simplify right side
    199,516.16x = 39,271,209,333.89
  5. Step 5: Solve for x
    x = 39,271,209,333.89/199,516.16
  6. Step 6: Final answer
    x = 196,832.22

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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.