Home / 112,258.96-168,299.02-64,820.20

Finding the Fourth Proportional to 112,258.96, 168,299.02 and 64,820.20

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Solution

The fourth proportional to 112,258.96, 168,299.02 and 64,820.20 is: 97,178.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,258.96 : 168,299.02 = 64,820.20 : x
  2. Step 2: Convert to fraction form
    112,258.96/168,299.02 = 64,820.20/x
  3. Step 3: Cross multiply
    112,258.96x = 168,299.02 × 64,820.20
  4. Step 4: Simplify right side
    112,258.96x = 10,909,175,747.43
  5. Step 5: Solve for x
    x = 10,909,175,747.43/112,258.96
  6. Step 6: Final answer
    x = 97,178.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.