Home / 162,619.04-224,421.23-100,543.07

Finding the Fourth Proportional to 162,619.04, 224,421.23 and 100,543.07

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Solution

The fourth proportional to 162,619.04, 224,421.23 and 100,543.07 is: 138,753.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,619.04 : 224,421.23 = 100,543.07 : x
  2. Step 2: Convert to fraction form
    162,619.04/224,421.23 = 100,543.07/x
  3. Step 3: Cross multiply
    162,619.04x = 224,421.23 × 100,543.07
  4. Step 4: Simplify right side
    162,619.04x = 22,563,998,934.66
  5. Step 5: Solve for x
    x = 22,563,998,934.66/162,619.04
  6. Step 6: Final answer
    x = 138,753.73

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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.