Home / 140,555.10-210,832.65-93,315.90

Finding the Fourth Proportional to 140,555.10, 210,832.65 and 93,315.90

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Solution

The fourth proportional to 140,555.10, 210,832.65 and 93,315.90 is: 139,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,555.10 : 210,832.65 = 93,315.90 : x
  2. Step 2: Convert to fraction form
    140,555.10/210,832.65 = 93,315.90/x
  3. Step 3: Cross multiply
    140,555.10x = 210,832.65 × 93,315.90
  4. Step 4: Simplify right side
    140,555.10x = 19,674,038,484.14
  5. Step 5: Solve for x
    x = 19,674,038,484.14/140,555.10
  6. Step 6: Final answer
    x = 139,973.85

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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.