Home / 162,166.86-243,250.26-118,074.21

Finding the Fourth Proportional to 162,166.86, 243,250.26 and 118,074.21

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Solution

The fourth proportional to 162,166.86, 243,250.26 and 118,074.21 is: 177,111.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,166.86 : 243,250.26 = 118,074.21 : x
  2. Step 2: Convert to fraction form
    162,166.86/243,250.26 = 118,074.21/x
  3. Step 3: Cross multiply
    162,166.86x = 243,250.26 × 118,074.21
  4. Step 4: Simplify right side
    162,166.86x = 28,721,582,281.79
  5. Step 5: Solve for x
    x = 28,721,582,281.79/162,166.86
  6. Step 6: Final answer
    x = 177,111.29

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1.5x scale

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.