Home / 225,434.32-311,095.56-124,830.16

Finding the Fourth Proportional to 225,434.32, 311,095.56 and 124,830.16

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Solution

The fourth proportional to 225,434.32, 311,095.56 and 124,830.16 is: 172,263.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,434.32 : 311,095.56 = 124,830.16 : x
  2. Step 2: Convert to fraction form
    225,434.32/311,095.56 = 124,830.16/x
  3. Step 3: Cross multiply
    225,434.32x = 311,095.56 × 124,830.16
  4. Step 4: Simplify right side
    225,434.32x = 38,834,108,530.09
  5. Step 5: Solve for x
    x = 38,834,108,530.09/225,434.32
  6. Step 6: Final answer
    x = 172,263.52

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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.