Home / 212,087.20-292,683.36-116,602.72

Finding the Fourth Proportional to 212,087.20, 292,683.36 and 116,602.72

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Solution

The fourth proportional to 212,087.20, 292,683.36 and 116,602.72 is: 160,913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,087.20 : 292,683.36 = 116,602.72 : x
  2. Step 2: Convert to fraction form
    212,087.20/292,683.36 = 116,602.72/x
  3. Step 3: Cross multiply
    212,087.20x = 292,683.36 × 116,602.72
  4. Step 4: Simplify right side
    212,087.20x = 34,127,675,874.74
  5. Step 5: Solve for x
    x = 34,127,675,874.74/212,087.20
  6. Step 6: Final answer
    x = 160,913.42

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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.