Home / 155,301.06-214,031.25-112,785.78

Finding the Fourth Proportional to 155,301.06, 214,031.25 and 112,785.78

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Solution

The fourth proportional to 155,301.06, 214,031.25 and 112,785.78 is: 155,437.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,301.06 : 214,031.25 = 112,785.78 : x
  2. Step 2: Convert to fraction form
    155,301.06/214,031.25 = 112,785.78/x
  3. Step 3: Cross multiply
    155,301.06x = 214,031.25 × 112,785.78
  4. Step 4: Simplify right side
    155,301.06x = 24,139,681,475.63
  5. Step 5: Solve for x
    x = 24,139,681,475.63/155,301.06
  6. Step 6: Final answer
    x = 155,437.97

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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.