Home / 163,827.50-245,836.79-69,051.89

Finding the Fourth Proportional to 163,827.50, 245,836.79 and 69,051.89

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Solution

The fourth proportional to 163,827.50, 245,836.79 and 69,051.89 is: 103,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,827.50 : 245,836.79 = 69,051.89 : x
  2. Step 2: Convert to fraction form
    163,827.50/245,836.79 = 69,051.89/x
  3. Step 3: Cross multiply
    163,827.50x = 245,836.79 × 69,051.89
  4. Step 4: Simplify right side
    163,827.50x = 16,975,495,509.31
  5. Step 5: Solve for x
    x = 16,975,495,509.31/163,827.50
  6. Step 6: Final answer
    x = 103,618.11

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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.