Home / 153,935.64-212,466.60-90,293.94

Finding the Fourth Proportional to 153,935.64, 212,466.60 and 90,293.94

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Solution

The fourth proportional to 153,935.64, 212,466.60 and 90,293.94 is: 124,626.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,935.64 : 212,466.60 = 90,293.94 : x
  2. Step 2: Convert to fraction form
    153,935.64/212,466.60 = 90,293.94/x
  3. Step 3: Cross multiply
    153,935.64x = 212,466.60 × 90,293.94
  4. Step 4: Simplify right side
    153,935.64x = 19,184,446,432.40
  5. Step 5: Solve for x
    x = 19,184,446,432.40/153,935.64
  6. Step 6: Final answer
    x = 124,626.41

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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.