Home / 88,146.28-121,643.13-47,860.12

Finding the Fourth Proportional to 88,146.28, 121,643.13 and 47,860.12

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Solution

The fourth proportional to 88,146.28, 121,643.13 and 47,860.12 is: 66,047.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,146.28 : 121,643.13 = 47,860.12 : x
  2. Step 2: Convert to fraction form
    88,146.28/121,643.13 = 47,860.12/x
  3. Step 3: Cross multiply
    88,146.28x = 121,643.13 × 47,860.12
  4. Step 4: Simplify right side
    88,146.28x = 5,821,854,798.98
  5. Step 5: Solve for x
    x = 5,821,854,798.98/88,146.28
  6. Step 6: Final answer
    x = 66,047.65

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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.