Home / 152,972.84-229,482.62-78,052.12

Finding the Fourth Proportional to 152,972.84, 229,482.62 and 78,052.12

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Solution

The fourth proportional to 152,972.84, 229,482.62 and 78,052.12 is: 117,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,972.84 : 229,482.62 = 78,052.12 : x
  2. Step 2: Convert to fraction form
    152,972.84/229,482.62 = 78,052.12/x
  3. Step 3: Cross multiply
    152,972.84x = 229,482.62 × 78,052.12
  4. Step 4: Simplify right side
    152,972.84x = 17,911,604,994.15
  5. Step 5: Solve for x
    x = 17,911,604,994.15/152,972.84
  6. Step 6: Final answer
    x = 117,090.10

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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.