Home / 94,176-129,959.04-55,941.12

Finding the Fourth Proportional to 94,176, 129,959.04 and 55,941.12

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Solution

The fourth proportional to 94,176, 129,959.04 and 55,941.12 is: 77,196.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,176 : 129,959.04 = 55,941.12 : x
  2. Step 2: Convert to fraction form
    94,176/129,959.04 = 55,941.12/x
  3. Step 3: Cross multiply
    94,176x = 129,959.04 × 55,941.12
  4. Step 4: Simplify right side
    94,176x = 7,270,054,251.72
  5. Step 5: Solve for x
    x = 7,270,054,251.72/94,176
  6. Step 6: Final answer
    x = 77,196.46

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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.