Home / 102,935.79-142,053.93-57,613.41

Finding the Fourth Proportional to 102,935.79, 142,053.93 and 57,613.41

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Solution

The fourth proportional to 102,935.79, 142,053.93 and 57,613.41 is: 79,507.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,935.79 : 142,053.93 = 57,613.41 : x
  2. Step 2: Convert to fraction form
    102,935.79/142,053.93 = 57,613.41/x
  3. Step 3: Cross multiply
    102,935.79x = 142,053.93 × 57,613.41
  4. Step 4: Simplify right side
    102,935.79x = 8,184,211,311.20
  5. Step 5: Solve for x
    x = 8,184,211,311.20/102,935.79
  6. Step 6: Final answer
    x = 79,507.93

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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.