Home / 208,835.02-288,192.50-113,341.74

Finding the Fourth Proportional to 208,835.02, 288,192.50 and 113,341.74

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Solution

The fourth proportional to 208,835.02, 288,192.50 and 113,341.74 is: 156,411.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,835.02 : 288,192.50 = 113,341.74 : x
  2. Step 2: Convert to fraction form
    208,835.02/288,192.50 = 113,341.74/x
  3. Step 3: Cross multiply
    208,835.02x = 288,192.50 × 113,341.74
  4. Step 4: Simplify right side
    208,835.02x = 32,664,239,404.95
  5. Step 5: Solve for x
    x = 32,664,239,404.95/208,835.02
  6. Step 6: Final answer
    x = 156,411.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.