Home / 156,746.90-235,136.79-51,574.10

Finding the Fourth Proportional to 156,746.90, 235,136.79 and 51,574.10

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Solution

The fourth proportional to 156,746.90, 235,136.79 and 51,574.10 is: 77,366.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,746.90 : 235,136.79 = 51,574.10 : x
  2. Step 2: Convert to fraction form
    156,746.90/235,136.79 = 51,574.10/x
  3. Step 3: Cross multiply
    156,746.90x = 235,136.79 × 51,574.10
  4. Step 4: Simplify right side
    156,746.90x = 12,126,968,321.14
  5. Step 5: Solve for x
    x = 12,126,968,321.14/156,746.90
  6. Step 6: Final answer
    x = 77,366.56

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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.