Home / 94,210.38-130,010.40-51,190.20

Finding the Fourth Proportional to 94,210.38, 130,010.40 and 51,190.20

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Solution

The fourth proportional to 94,210.38, 130,010.40 and 51,190.20 is: 70,642.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,210.38 : 130,010.40 = 51,190.20 : x
  2. Step 2: Convert to fraction form
    94,210.38/130,010.40 = 51,190.20/x
  3. Step 3: Cross multiply
    94,210.38x = 130,010.40 × 51,190.20
  4. Step 4: Simplify right side
    94,210.38x = 6,655,258,378.08
  5. Step 5: Solve for x
    x = 6,655,258,378.08/94,210.38
  6. Step 6: Final answer
    x = 70,642.52

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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.