Home / 140,465.10-210,697.65-93,225.90

Finding the Fourth Proportional to 140,465.10, 210,697.65 and 93,225.90

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Solution

The fourth proportional to 140,465.10, 210,697.65 and 93,225.90 is: 139,838.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,465.10 : 210,697.65 = 93,225.90 : x
  2. Step 2: Convert to fraction form
    140,465.10/210,697.65 = 93,225.90/x
  3. Step 3: Cross multiply
    140,465.10x = 210,697.65 × 93,225.90
  4. Step 4: Simplify right side
    140,465.10x = 19,642,478,049.14
  5. Step 5: Solve for x
    x = 19,642,478,049.14/140,465.10
  6. Step 6: Final answer
    x = 139,838.85

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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.