Home / 112,077.67-154,607.07-71,748.04

Finding the Fourth Proportional to 112,077.67, 154,607.07 and 71,748.04

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Solution

The fourth proportional to 112,077.67, 154,607.07 and 71,748.04 is: 98,973.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,077.67 : 154,607.07 = 71,748.04 : x
  2. Step 2: Convert to fraction form
    112,077.67/154,607.07 = 71,748.04/x
  3. Step 3: Cross multiply
    112,077.67x = 154,607.07 × 71,748.04
  4. Step 4: Simplify right side
    112,077.67x = 11,092,754,242.64
  5. Step 5: Solve for x
    x = 11,092,754,242.64/112,077.67
  6. Step 6: Final answer
    x = 98,973.81

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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.