Home / 152,512.16-210,466.64-85,444.64

Finding the Fourth Proportional to 152,512.16, 210,466.64 and 85,444.64

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Solution

The fourth proportional to 152,512.16, 210,466.64 and 85,444.64 is: 117,913.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,512.16 : 210,466.64 = 85,444.64 : x
  2. Step 2: Convert to fraction form
    152,512.16/210,466.64 = 85,444.64/x
  3. Step 3: Cross multiply
    152,512.16x = 210,466.64 × 85,444.64
  4. Step 4: Simplify right side
    152,512.16x = 17,983,246,286.81
  5. Step 5: Solve for x
    x = 17,983,246,286.81/152,512.16
  6. Step 6: Final answer
    x = 117,913.52

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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.