Home / 148,688.08-205,184.04-80,703.59

Finding the Fourth Proportional to 148,688.08, 205,184.04 and 80,703.59

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Solution

The fourth proportional to 148,688.08, 205,184.04 and 80,703.59 is: 111,367.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,688.08 : 205,184.04 = 80,703.59 : x
  2. Step 2: Convert to fraction form
    148,688.08/205,184.04 = 80,703.59/x
  3. Step 3: Cross multiply
    148,688.08x = 205,184.04 × 80,703.59
  4. Step 4: Simplify right side
    148,688.08x = 16,559,088,638.70
  5. Step 5: Solve for x
    x = 16,559,088,638.70/148,688.08
  6. Step 6: Final answer
    x = 111,367.96

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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.