Home / 125,378.84-173,019.64-70,187.40

Finding the Fourth Proportional to 125,378.84, 173,019.64 and 70,187.40

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Solution

The fourth proportional to 125,378.84, 173,019.64 and 70,187.40 is: 96,856.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,378.84 : 173,019.64 = 70,187.40 : x
  2. Step 2: Convert to fraction form
    125,378.84/173,019.64 = 70,187.40/x
  3. Step 3: Cross multiply
    125,378.84x = 173,019.64 × 70,187.40
  4. Step 4: Simplify right side
    125,378.84x = 12,143,798,680.54
  5. Step 5: Solve for x
    x = 12,143,798,680.54/125,378.84
  6. Step 6: Final answer
    x = 96,856.84

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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.