Home / 140,782.04-194,280.90-77,122.52

Finding the Fourth Proportional to 140,782.04, 194,280.90 and 77,122.52

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Solution

The fourth proportional to 140,782.04, 194,280.90 and 77,122.52 is: 106,430.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,782.04 : 194,280.90 = 77,122.52 : x
  2. Step 2: Convert to fraction form
    140,782.04/194,280.90 = 77,122.52/x
  3. Step 3: Cross multiply
    140,782.04x = 194,280.90 × 77,122.52
  4. Step 4: Simplify right side
    140,782.04x = 14,983,432,595.87
  5. Step 5: Solve for x
    x = 14,983,432,595.87/140,782.04
  6. Step 6: Final answer
    x = 106,430.00

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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.