Home / 94,171.36-130,071.60-70,403.68

Finding the Fourth Proportional to 94,171.36, 130,071.60 and 70,403.68

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Solution

The fourth proportional to 94,171.36, 130,071.60 and 70,403.68 is: 97,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,171.36 : 130,071.60 = 70,403.68 : x
  2. Step 2: Convert to fraction form
    94,171.36/130,071.60 = 70,403.68/x
  3. Step 3: Cross multiply
    94,171.36x = 130,071.60 × 70,403.68
  4. Step 4: Simplify right side
    94,171.36x = 9,157,519,303.49
  5. Step 5: Solve for x
    x = 9,157,519,303.49/94,171.36
  6. Step 6: Final answer
    x = 97,243.15

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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.