Home / 156,950.30-235,079.85-139,439.90

Finding the Fourth Proportional to 156,950.30, 235,079.85 and 139,439.90

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Solution

The fourth proportional to 156,950.30, 235,079.85 and 139,439.90 is: 208,852.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,950.30 : 235,079.85 = 139,439.90 : x
  2. Step 2: Convert to fraction form
    156,950.30/235,079.85 = 139,439.90/x
  3. Step 3: Cross multiply
    156,950.30x = 235,079.85 × 139,439.90
  4. Step 4: Simplify right side
    156,950.30x = 32,779,510,776.02
  5. Step 5: Solve for x
    x = 32,779,510,776.02/156,950.30
  6. Step 6: Final answer
    x = 208,852.81

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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.