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Finding the Fourth Proportional to 176,803.10, 265,220.85 and 71,600.30

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Solution

The fourth proportional to 176,803.10, 265,220.85 and 71,600.30 is: 107,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,803.10 : 265,220.85 = 71,600.30 : x
  2. Step 2: Convert to fraction form
    176,803.10/265,220.85 = 71,600.30/x
  3. Step 3: Cross multiply
    176,803.10x = 265,220.85 × 71,600.30
  4. Step 4: Simplify right side
    176,803.10x = 18,989,892,426.26
  5. Step 5: Solve for x
    x = 18,989,892,426.26/176,803.10
  6. Step 6: Final answer
    x = 107,407.01

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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.