Home / 94,265.47-130,079.42-53,978.20

Finding the Fourth Proportional to 94,265.47, 130,079.42 and 53,978.20

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Solution

The fourth proportional to 94,265.47, 130,079.42 and 53,978.20 is: 74,485.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,265.47 : 130,079.42 = 53,978.20 : x
  2. Step 2: Convert to fraction form
    94,265.47/130,079.42 = 53,978.20/x
  3. Step 3: Cross multiply
    94,265.47x = 130,079.42 × 53,978.20
  4. Step 4: Simplify right side
    94,265.47x = 7,021,452,555.97
  5. Step 5: Solve for x
    x = 7,021,452,555.97/94,265.47
  6. Step 6: Final answer
    x = 74,485.94

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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.