Home / 140,160.90-210,269.04-51,415.17

Finding the Fourth Proportional to 140,160.90, 210,269.04 and 51,415.17

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Solution

The fourth proportional to 140,160.90, 210,269.04 and 51,415.17 is: 77,132.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,160.90 : 210,269.04 = 51,415.17 : x
  2. Step 2: Convert to fraction form
    140,160.90/210,269.04 = 51,415.17/x
  3. Step 3: Cross multiply
    140,160.90x = 210,269.04 × 51,415.17
  4. Step 4: Simplify right side
    140,160.90x = 10,811,018,437.34
  5. Step 5: Solve for x
    x = 10,811,018,437.34/140,160.90
  6. Step 6: Final answer
    x = 77,132.91

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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.