Home / 102,977.77-142,035.93-94,507.24

Finding the Fourth Proportional to 102,977.77, 142,035.93 and 94,507.24

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Solution

The fourth proportional to 102,977.77, 142,035.93 and 94,507.24 is: 130,352.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,977.77 : 142,035.93 = 94,507.24 : x
  2. Step 2: Convert to fraction form
    102,977.77/142,035.93 = 94,507.24/x
  3. Step 3: Cross multiply
    102,977.77x = 142,035.93 × 94,507.24
  4. Step 4: Simplify right side
    102,977.77x = 13,423,423,725.13
  5. Step 5: Solve for x
    x = 13,423,423,725.13/102,977.77
  6. Step 6: Final answer
    x = 130,352.64

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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.