Home / 212,510.34-318,807.58-60,708.73

Finding the Fourth Proportional to 212,510.34, 318,807.58 and 60,708.73

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Solution

The fourth proportional to 212,510.34, 318,807.58 and 60,708.73 is: 91,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,510.34 : 318,807.58 = 60,708.73 : x
  2. Step 2: Convert to fraction form
    212,510.34/318,807.58 = 60,708.73/x
  3. Step 3: Cross multiply
    212,510.34x = 318,807.58 × 60,708.73
  4. Step 4: Simplify right side
    212,510.34x = 19,354,403,770.57
  5. Step 5: Solve for x
    x = 19,354,403,770.57/212,510.34
  6. Step 6: Final answer
    x = 91,075.11

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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.