Home / 103,364.59-142,644.63-58,052.38

Finding the Fourth Proportional to 103,364.59, 142,644.63 and 58,052.38

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Solution

The fourth proportional to 103,364.59, 142,644.63 and 58,052.38 is: 80,113.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,364.59 : 142,644.63 = 58,052.38 : x
  2. Step 2: Convert to fraction form
    103,364.59/142,644.63 = 58,052.38/x
  3. Step 3: Cross multiply
    103,364.59x = 142,644.63 × 58,052.38
  4. Step 4: Simplify right side
    103,364.59x = 8,280,860,265.72
  5. Step 5: Solve for x
    x = 8,280,860,265.72/103,364.59
  6. Step 6: Final answer
    x = 80,113.12

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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.