Home / 163,158.16-225,387.66-125,911.12

Finding the Fourth Proportional to 163,158.16, 225,387.66 and 125,911.12

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Solution

The fourth proportional to 163,158.16, 225,387.66 and 125,911.12 is: 173,934.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,158.16 : 225,387.66 = 125,911.12 : x
  2. Step 2: Convert to fraction form
    163,158.16/225,387.66 = 125,911.12/x
  3. Step 3: Cross multiply
    163,158.16x = 225,387.66 × 125,911.12
  4. Step 4: Simplify right side
    163,158.16x = 28,378,812,953.47
  5. Step 5: Solve for x
    x = 28,378,812,953.47/163,158.16
  6. Step 6: Final answer
    x = 173,934.37

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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.