Home / 208,148.04-287,244.28-112,654.73

Finding the Fourth Proportional to 208,148.04, 287,244.28 and 112,654.73

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Solution

The fourth proportional to 208,148.04, 287,244.28 and 112,654.73 is: 155,463.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,148.04 : 287,244.28 = 112,654.73 : x
  2. Step 2: Convert to fraction form
    208,148.04/287,244.28 = 112,654.73/x
  3. Step 3: Cross multiply
    208,148.04x = 287,244.28 × 112,654.73
  4. Step 4: Simplify right side
    208,148.04x = 32,359,427,666.37
  5. Step 5: Solve for x
    x = 32,359,427,666.37/208,148.04
  6. Step 6: Final answer
    x = 155,463.52

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1.5x scale

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.