Home / 162,215.66-243,323.35-118,122.91

Finding the Fourth Proportional to 162,215.66, 243,323.35 and 118,122.91

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Solution

The fourth proportional to 162,215.66, 243,323.35 and 118,122.91 is: 177,184.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,215.66 : 243,323.35 = 118,122.91 : x
  2. Step 2: Convert to fraction form
    162,215.66/243,323.35 = 118,122.91/x
  3. Step 3: Cross multiply
    162,215.66x = 243,323.35 × 118,122.91
  4. Step 4: Simplify right side
    162,215.66x = 28,742,062,172.95
  5. Step 5: Solve for x
    x = 28,742,062,172.95/162,215.66
  6. Step 6: Final answer
    x = 177,184.26

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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.