Home / 124,690.77-172,074.39-70,979.26

Finding the Fourth Proportional to 124,690.77, 172,074.39 and 70,979.26

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Solution

The fourth proportional to 124,690.77, 172,074.39 and 70,979.26 is: 97,952.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,690.77 : 172,074.39 = 70,979.26 : x
  2. Step 2: Convert to fraction form
    124,690.77/172,074.39 = 70,979.26/x
  3. Step 3: Cross multiply
    124,690.77x = 172,074.39 × 70,979.26
  4. Step 4: Simplify right side
    124,690.77x = 12,213,712,867.15
  5. Step 5: Solve for x
    x = 12,213,712,867.15/124,690.77
  6. Step 6: Final answer
    x = 97,952.02

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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.