Home / 140,258.72-210,240.30-69,082.76

Finding the Fourth Proportional to 140,258.72, 210,240.30 and 69,082.76

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Solution

The fourth proportional to 140,258.72, 210,240.30 and 69,082.76 is: 103,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,258.72 : 210,240.30 = 69,082.76 : x
  2. Step 2: Convert to fraction form
    140,258.72/210,240.30 = 69,082.76/x
  3. Step 3: Cross multiply
    140,258.72x = 210,240.30 × 69,082.76
  4. Step 4: Simplify right side
    140,258.72x = 14,523,980,187.23
  5. Step 5: Solve for x
    x = 14,523,980,187.23/140,258.72
  6. Step 6: Final answer
    x = 103,551.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.