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Finding the Fourth Proportional to 101,730.84, 152,597.55 and 70,132.45

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Solution

The fourth proportional to 101,730.84, 152,597.55 and 70,132.45 is: 105,199.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,730.84 : 152,597.55 = 70,132.45 : x
  2. Step 2: Convert to fraction form
    101,730.84/152,597.55 = 70,132.45/x
  3. Step 3: Cross multiply
    101,730.84x = 152,597.55 × 70,132.45
  4. Step 4: Simplify right side
    101,730.84x = 10,702,040,126.15
  5. Step 5: Solve for x
    x = 10,702,040,126.15/101,730.84
  6. Step 6: Final answer
    x = 105,199.57

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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.