Home / 109,695.60-151,302.33-71,384.63

Finding the Fourth Proportional to 109,695.60, 151,302.33 and 71,384.63

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Solution

The fourth proportional to 109,695.60, 151,302.33 and 71,384.63 is: 98,460.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,695.60 : 151,302.33 = 71,384.63 : x
  2. Step 2: Convert to fraction form
    109,695.60/151,302.33 = 71,384.63/x
  3. Step 3: Cross multiply
    109,695.60x = 151,302.33 × 71,384.63
  4. Step 4: Simplify right side
    109,695.60x = 10,800,660,088.68
  5. Step 5: Solve for x
    x = 10,800,660,088.68/109,695.60
  6. Step 6: Final answer
    x = 98,460.29

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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.