Home / 142,000.59-212,954.64-47,205.35

Finding the Fourth Proportional to 142,000.59, 212,954.64 and 47,205.35

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Solution

The fourth proportional to 142,000.59, 212,954.64 and 47,205.35 is: 70,792.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,000.59 : 212,954.64 = 47,205.35 : x
  2. Step 2: Convert to fraction form
    142,000.59/212,954.64 = 47,205.35/x
  3. Step 3: Cross multiply
    142,000.59x = 212,954.64 × 47,205.35
  4. Step 4: Simplify right side
    142,000.59x = 10,052,598,315.32
  5. Step 5: Solve for x
    x = 10,052,598,315.32/142,000.59
  6. Step 6: Final answer
    x = 70,792.65

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1.5x scale

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.