Home / 156,008.40-234,012.60-103,477.20

Finding the Fourth Proportional to 156,008.40, 234,012.60 and 103,477.20

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Solution

The fourth proportional to 156,008.40, 234,012.60 and 103,477.20 is: 155,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,008.40 : 234,012.60 = 103,477.20 : x
  2. Step 2: Convert to fraction form
    156,008.40/234,012.60 = 103,477.20/x
  3. Step 3: Cross multiply
    156,008.40x = 234,012.60 × 103,477.20
  4. Step 4: Simplify right side
    156,008.40x = 24,214,968,612.72
  5. Step 5: Solve for x
    x = 24,214,968,612.72/156,008.40
  6. Step 6: Final answer
    x = 155,215.80

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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.