Home / 104,136.04-143,707.53-56,389.24

Finding the Fourth Proportional to 104,136.04, 143,707.53 and 56,389.24

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Solution

The fourth proportional to 104,136.04, 143,707.53 and 56,389.24 is: 77,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,136.04 : 143,707.53 = 56,389.24 : x
  2. Step 2: Convert to fraction form
    104,136.04/143,707.53 = 56,389.24/x
  3. Step 3: Cross multiply
    104,136.04x = 143,707.53 × 56,389.24
  4. Step 4: Simplify right side
    104,136.04x = 8,103,558,398.98
  5. Step 5: Solve for x
    x = 8,103,558,398.98/104,136.04
  6. Step 6: Final answer
    x = 77,817.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.