Home / 166,387.80-249,581.70-153,557.40

Finding the Fourth Proportional to 166,387.80, 249,581.70 and 153,557.40

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Solution

The fourth proportional to 166,387.80, 249,581.70 and 153,557.40 is: 230,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,387.80 : 249,581.70 = 153,557.40 : x
  2. Step 2: Convert to fraction form
    166,387.80/249,581.70 = 153,557.40/x
  3. Step 3: Cross multiply
    166,387.80x = 249,581.70 × 153,557.40
  4. Step 4: Simplify right side
    166,387.80x = 38,325,116,939.58
  5. Step 5: Solve for x
    x = 38,325,116,939.58/166,387.80
  6. Step 6: Final answer
    x = 230,336.10

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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.