Home / 102,941.90-142,053.22-57,612.23

Finding the Fourth Proportional to 102,941.90, 142,053.22 and 57,612.23

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Solution

The fourth proportional to 102,941.90, 142,053.22 and 57,612.23 is: 79,501.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,941.90 : 142,053.22 = 57,612.23 : x
  2. Step 2: Convert to fraction form
    102,941.90/142,053.22 = 57,612.23/x
  3. Step 3: Cross multiply
    102,941.90x = 142,053.22 × 57,612.23
  4. Step 4: Simplify right side
    102,941.90x = 8,184,002,782.88
  5. Step 5: Solve for x
    x = 8,184,002,782.88/102,941.90
  6. Step 6: Final answer
    x = 79,501.18

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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.