Home / 213,721.50-294,926.76-118,222.14

Finding the Fourth Proportional to 213,721.50, 294,926.76 and 118,222.14

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Solution

The fourth proportional to 213,721.50, 294,926.76 and 118,222.14 is: 163,141.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,721.50 : 294,926.76 = 118,222.14 : x
  2. Step 2: Convert to fraction form
    213,721.50/294,926.76 = 118,222.14/x
  3. Step 3: Cross multiply
    213,721.50x = 294,926.76 × 118,222.14
  4. Step 4: Simplify right side
    213,721.50x = 34,866,872,710.47
  5. Step 5: Solve for x
    x = 34,866,872,710.47/213,721.50
  6. Step 6: Final answer
    x = 163,141.62

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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.