Home / 148,820.04-205,373.87-80,838.34

Finding the Fourth Proportional to 148,820.04, 205,373.87 and 80,838.34

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Solution

The fourth proportional to 148,820.04, 205,373.87 and 80,838.34 is: 111,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,820.04 : 205,373.87 = 80,838.34 : x
  2. Step 2: Convert to fraction form
    148,820.04/205,373.87 = 80,838.34/x
  3. Step 3: Cross multiply
    148,820.04x = 205,373.87 × 80,838.34
  4. Step 4: Simplify right side
    148,820.04x = 16,602,082,730.18
  5. Step 5: Solve for x
    x = 16,602,082,730.18/148,820.04
  6. Step 6: Final answer
    x = 111,558.11

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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.