Home / 163,870.85-245,807.04-57,254.34

Finding the Fourth Proportional to 163,870.85, 245,807.04 and 57,254.34

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Solution

The fourth proportional to 163,870.85, 245,807.04 and 57,254.34 is: 85,881.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,870.85 : 245,807.04 = 57,254.34 : x
  2. Step 2: Convert to fraction form
    163,870.85/245,807.04 = 57,254.34/x
  3. Step 3: Cross multiply
    163,870.85x = 245,807.04 × 57,254.34
  4. Step 4: Simplify right side
    163,870.85x = 14,073,519,842.55
  5. Step 5: Solve for x
    x = 14,073,519,842.55/163,870.85
  6. Step 6: Final answer
    x = 85,881.78

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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.