Home / 197,665.07-272,666.43-125,045.43

Finding the Fourth Proportional to 197,665.07, 272,666.43 and 125,045.43

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Solution

The fourth proportional to 197,665.07, 272,666.43 and 125,045.43 is: 172,492.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,665.07 : 272,666.43 = 125,045.43 : x
  2. Step 2: Convert to fraction form
    197,665.07/272,666.43 = 125,045.43/x
  3. Step 3: Cross multiply
    197,665.07x = 272,666.43 × 125,045.43
  4. Step 4: Simplify right side
    197,665.07x = 34,095,689,963.42
  5. Step 5: Solve for x
    x = 34,095,689,963.42/197,665.07
  6. Step 6: Final answer
    x = 172,492.24

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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.