Home / 212,303.51-292,985.85-121,676.85

Finding the Fourth Proportional to 212,303.51, 292,985.85 and 121,676.85

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Solution

The fourth proportional to 212,303.51, 292,985.85 and 121,676.85 is: 167,918.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,303.51 : 292,985.85 = 121,676.85 : x
  2. Step 2: Convert to fraction form
    212,303.51/292,985.85 = 121,676.85/x
  3. Step 3: Cross multiply
    212,303.51x = 292,985.85 × 121,676.85
  4. Step 4: Simplify right side
    212,303.51x = 35,649,595,322.57
  5. Step 5: Solve for x
    x = 35,649,595,322.57/212,303.51
  6. Step 6: Final answer
    x = 167,918.07

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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.