Home / 166,085.51-249,007.57-66,215.75

Finding the Fourth Proportional to 166,085.51, 249,007.57 and 66,215.75

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Solution

The fourth proportional to 166,085.51, 249,007.57 and 66,215.75 is: 99,275.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,085.51 : 249,007.57 = 66,215.75 : x
  2. Step 2: Convert to fraction form
    166,085.51/249,007.57 = 66,215.75/x
  3. Step 3: Cross multiply
    166,085.51x = 249,007.57 × 66,215.75
  4. Step 4: Simplify right side
    166,085.51x = 16,488,221,592.65
  5. Step 5: Solve for x
    x = 16,488,221,592.65/166,085.51
  6. Step 6: Final answer
    x = 99,275.50

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1.5x scale

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.