Home / 495,076.80-742,643.83-140,061.08

Finding the Fourth Proportional to 495,076.80, 742,643.83 and 140,061.08

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Solution

The fourth proportional to 495,076.80, 742,643.83 and 140,061.08 is: 210,099.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,076.80 : 742,643.83 = 140,061.08 : x
  2. Step 2: Convert to fraction form
    495,076.80/742,643.83 = 140,061.08/x
  3. Step 3: Cross multiply
    495,076.80x = 742,643.83 × 140,061.08
  4. Step 4: Simplify right side
    495,076.80x = 104,015,496,885.14
  5. Step 5: Solve for x
    x = 104,015,496,885.14/495,076.80
  6. Step 6: Final answer
    x = 210,099.72

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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.