Home / 202,730.20-279,746.23-112,071.55

Finding the Fourth Proportional to 202,730.20, 279,746.23 and 112,071.55

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Solution

The fourth proportional to 202,730.20, 279,746.23 and 112,071.55 is: 154,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,730.20 : 279,746.23 = 112,071.55 : x
  2. Step 2: Convert to fraction form
    202,730.20/279,746.23 = 112,071.55/x
  3. Step 3: Cross multiply
    202,730.20x = 279,746.23 × 112,071.55
  4. Step 4: Simplify right side
    202,730.20x = 31,351,593,602.76
  5. Step 5: Solve for x
    x = 31,351,593,602.76/202,730.20
  6. Step 6: Final answer
    x = 154,646.88

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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.