Home / 112,165.02-154,787.43-64,421.46

Finding the Fourth Proportional to 112,165.02, 154,787.43 and 64,421.46

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Solution

The fourth proportional to 112,165.02, 154,787.43 and 64,421.46 is: 88,901.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,165.02 : 154,787.43 = 64,421.46 : x
  2. Step 2: Convert to fraction form
    112,165.02/154,787.43 = 64,421.46/x
  3. Step 3: Cross multiply
    112,165.02x = 154,787.43 × 64,421.46
  4. Step 4: Simplify right side
    112,165.02x = 9,971,632,230.25
  5. Step 5: Solve for x
    x = 9,971,632,230.25/112,165.02
  6. Step 6: Final answer
    x = 88,901.44

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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.