Home / 103,341.96-142,576.20-58,013.64

Finding the Fourth Proportional to 103,341.96, 142,576.20 and 58,013.64

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Solution

The fourth proportional to 103,341.96, 142,576.20 and 58,013.64 is: 80,038.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,341.96 : 142,576.20 = 58,013.64 : x
  2. Step 2: Convert to fraction form
    103,341.96/142,576.20 = 58,013.64/x
  3. Step 3: Cross multiply
    103,341.96x = 142,576.20 × 58,013.64
  4. Step 4: Simplify right side
    103,341.96x = 8,271,364,339.37
  5. Step 5: Solve for x
    x = 8,271,364,339.37/103,341.96
  6. Step 6: Final answer
    x = 80,038.78

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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.