Home / 140,315.23-210,341.63-51,544.90

Finding the Fourth Proportional to 140,315.23, 210,341.63 and 51,544.90

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Solution

The fourth proportional to 140,315.23, 210,341.63 and 51,544.90 is: 77,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,315.23 : 210,341.63 = 51,544.90 : x
  2. Step 2: Convert to fraction form
    140,315.23/210,341.63 = 51,544.90/x
  3. Step 3: Cross multiply
    140,315.23x = 210,341.63 × 51,544.90
  4. Step 4: Simplify right side
    140,315.23x = 10,842,038,026.46
  5. Step 5: Solve for x
    x = 10,842,038,026.46/140,315.23
  6. Step 6: Final answer
    x = 77,269.15

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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.