Home / 124,987.96-172,494.16-71,275.24

Finding the Fourth Proportional to 124,987.96, 172,494.16 and 71,275.24

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Solution

The fourth proportional to 124,987.96, 172,494.16 and 71,275.24 is: 98,365.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,987.96 : 172,494.16 = 71,275.24 : x
  2. Step 2: Convert to fraction form
    124,987.96/172,494.16 = 71,275.24/x
  3. Step 3: Cross multiply
    124,987.96x = 172,494.16 × 71,275.24
  4. Step 4: Simplify right side
    124,987.96x = 12,294,562,690.03
  5. Step 5: Solve for x
    x = 12,294,562,690.03/124,987.96
  6. Step 6: Final answer
    x = 98,365.98

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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.