Home / 125,905.32-173,748.78-69,316.65

Finding the Fourth Proportional to 125,905.32, 173,748.78 and 69,316.65

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Solution

The fourth proportional to 125,905.32, 173,748.78 and 69,316.65 is: 95,656.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,905.32 : 173,748.78 = 69,316.65 : x
  2. Step 2: Convert to fraction form
    125,905.32/173,748.78 = 69,316.65/x
  3. Step 3: Cross multiply
    125,905.32x = 173,748.78 × 69,316.65
  4. Step 4: Simplify right side
    125,905.32x = 12,043,683,371.19
  5. Step 5: Solve for x
    x = 12,043,683,371.19/125,905.32
  6. Step 6: Final answer
    x = 95,656.67

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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.