Home / 212,274.08-292,935.81-158,068.72

Finding the Fourth Proportional to 212,274.08, 292,935.81 and 158,068.72

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Solution

The fourth proportional to 212,274.08, 292,935.81 and 158,068.72 is: 218,133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,274.08 : 292,935.81 = 158,068.72 : x
  2. Step 2: Convert to fraction form
    212,274.08/292,935.81 = 158,068.72/x
  3. Step 3: Cross multiply
    212,274.08x = 292,935.81 × 158,068.72
  4. Step 4: Simplify right side
    212,274.08x = 46,303,988,528.86
  5. Step 5: Solve for x
    x = 46,303,988,528.86/212,274.08
  6. Step 6: Final answer
    x = 218,133.03

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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.