Home / 125,071.48-172,615.14-71,344.20

Finding the Fourth Proportional to 125,071.48, 172,615.14 and 71,344.20

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Solution

The fourth proportional to 125,071.48, 172,615.14 and 71,344.20 is: 98,464.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,071.48 : 172,615.14 = 71,344.20 : x
  2. Step 2: Convert to fraction form
    125,071.48/172,615.14 = 71,344.20/x
  3. Step 3: Cross multiply
    125,071.48x = 172,615.14 × 71,344.20
  4. Step 4: Simplify right side
    125,071.48x = 12,315,089,071.19
  5. Step 5: Solve for x
    x = 12,315,089,071.19/125,071.48
  6. Step 6: Final answer
    x = 98,464.41

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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.