Home / 152,848.66-210,907.65-85,767.70

Finding the Fourth Proportional to 152,848.66, 210,907.65 and 85,767.70

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Solution

The fourth proportional to 152,848.66, 210,907.65 and 85,767.70 is: 118,346.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,848.66 : 210,907.65 = 85,767.70 : x
  2. Step 2: Convert to fraction form
    152,848.66/210,907.65 = 85,767.70/x
  3. Step 3: Cross multiply
    152,848.66x = 210,907.65 × 85,767.70
  4. Step 4: Simplify right side
    152,848.66x = 18,089,064,052.91
  5. Step 5: Solve for x
    x = 18,089,064,052.91/152,848.66
  6. Step 6: Final answer
    x = 118,346.24

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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.