Home / 142,124.02-212,952.75-48,578.74

Finding the Fourth Proportional to 142,124.02, 212,952.75 and 48,578.74

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Solution

The fourth proportional to 142,124.02, 212,952.75 and 48,578.74 is: 72,788.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,124.02 : 212,952.75 = 48,578.74 : x
  2. Step 2: Convert to fraction form
    142,124.02/212,952.75 = 48,578.74/x
  3. Step 3: Cross multiply
    142,124.02x = 212,952.75 × 48,578.74
  4. Step 4: Simplify right side
    142,124.02x = 10,344,976,274.54
  5. Step 5: Solve for x
    x = 10,344,976,274.54/142,124.02
  6. Step 6: Final answer
    x = 72,788.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.