Home / 125,465.19-173,119.62-71,017.10

Finding the Fourth Proportional to 125,465.19, 173,119.62 and 71,017.10

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Solution

The fourth proportional to 125,465.19, 173,119.62 and 71,017.10 is: 97,990.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,465.19 : 173,119.62 = 71,017.10 : x
  2. Step 2: Convert to fraction form
    125,465.19/173,119.62 = 71,017.10/x
  3. Step 3: Cross multiply
    125,465.19x = 173,119.62 × 71,017.10
  4. Step 4: Simplify right side
    125,465.19x = 12,294,452,499.90
  5. Step 5: Solve for x
    x = 12,294,452,499.90/125,465.19
  6. Step 6: Final answer
    x = 97,990.94

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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.