Home / 152,790.35-210,848.62-84,807.15

Finding the Fourth Proportional to 152,790.35, 210,848.62 and 84,807.15

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Solution

The fourth proportional to 152,790.35, 210,848.62 and 84,807.15 is: 117,032.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,790.35 : 210,848.62 = 84,807.15 : x
  2. Step 2: Convert to fraction form
    152,790.35/210,848.62 = 84,807.15/x
  3. Step 3: Cross multiply
    152,790.35x = 210,848.62 × 84,807.15
  4. Step 4: Simplify right side
    152,790.35x = 17,881,470,885.97
  5. Step 5: Solve for x
    x = 17,881,470,885.97/152,790.35
  6. Step 6: Final answer
    x = 117,032.72

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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.