Home / 134,423.42-185,482.62-77,052.20

Finding the Fourth Proportional to 134,423.42, 185,482.62 and 77,052.20

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Solution

The fourth proportional to 134,423.42, 185,482.62 and 77,052.20 is: 106,319.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,423.42 : 185,482.62 = 77,052.20 : x
  2. Step 2: Convert to fraction form
    134,423.42/185,482.62 = 77,052.20/x
  3. Step 3: Cross multiply
    134,423.42x = 185,482.62 × 77,052.20
  4. Step 4: Simplify right side
    134,423.42x = 14,291,843,005.35
  5. Step 5: Solve for x
    x = 14,291,843,005.35/134,423.42
  6. Step 6: Final answer
    x = 106,319.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.