Home / 212,479.58-293,271.64-121,833.92

Finding the Fourth Proportional to 212,479.58, 293,271.64 and 121,833.92

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Solution

The fourth proportional to 212,479.58, 293,271.64 and 121,833.92 is: 168,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,479.58 : 293,271.64 = 121,833.92 : x
  2. Step 2: Convert to fraction form
    212,479.58/293,271.64 = 121,833.92/x
  3. Step 3: Cross multiply
    212,479.58x = 293,271.64 × 121,833.92
  4. Step 4: Simplify right side
    212,479.58x = 35,730,433,526.03
  5. Step 5: Solve for x
    x = 35,730,433,526.03/212,479.58
  6. Step 6: Final answer
    x = 168,159.38

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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.