Home / 125,728.04-173,500.17-69,139.01

Finding the Fourth Proportional to 125,728.04, 173,500.17 and 69,139.01

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Solution

The fourth proportional to 125,728.04, 173,500.17 and 69,139.01 is: 95,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,728.04 : 173,500.17 = 69,139.01 : x
  2. Step 2: Convert to fraction form
    125,728.04/173,500.17 = 69,139.01/x
  3. Step 3: Cross multiply
    125,728.04x = 173,500.17 × 69,139.01
  4. Step 4: Simplify right side
    125,728.04x = 11,995,629,988.63
  5. Step 5: Solve for x
    x = 11,995,629,988.63/125,728.04
  6. Step 6: Final answer
    x = 95,409.35

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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.