Home / 162,459.86-243,317.91-99,140.57

Finding the Fourth Proportional to 162,459.86, 243,317.91 and 99,140.57

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Solution

The fourth proportional to 162,459.86, 243,317.91 and 99,140.57 is: 148,483.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,459.86 : 243,317.91 = 99,140.57 : x
  2. Step 2: Convert to fraction form
    162,459.86/243,317.91 = 99,140.57/x
  3. Step 3: Cross multiply
    162,459.86x = 243,317.91 × 99,140.57
  4. Step 4: Simplify right side
    162,459.86x = 24,122,675,798.57
  5. Step 5: Solve for x
    x = 24,122,675,798.57/162,459.86
  6. Step 6: Final answer
    x = 148,483.92

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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.