Home / 112,054.05-167,784.45-92,420.25

Finding the Fourth Proportional to 112,054.05, 167,784.45 and 92,420.25

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Solution

The fourth proportional to 112,054.05, 167,784.45 and 92,420.25 is: 138,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,054.05 : 167,784.45 = 92,420.25 : x
  2. Step 2: Convert to fraction form
    112,054.05/167,784.45 = 92,420.25/x
  3. Step 3: Cross multiply
    112,054.05x = 167,784.45 × 92,420.25
  4. Step 4: Simplify right side
    112,054.05x = 15,506,680,815.11
  5. Step 5: Solve for x
    x = 15,506,680,815.11/112,054.05
  6. Step 6: Final answer
    x = 138,385.72

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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.