Home / 255,051.90-382,140.45-166,259.70

Finding the Fourth Proportional to 255,051.90, 382,140.45 and 166,259.70

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Solution

The fourth proportional to 255,051.90, 382,140.45 and 166,259.70 is: 249,104.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,051.90 : 382,140.45 = 166,259.70 : x
  2. Step 2: Convert to fraction form
    255,051.90/382,140.45 = 166,259.70/x
  3. Step 3: Cross multiply
    255,051.90x = 382,140.45 × 166,259.70
  4. Step 4: Simplify right side
    255,051.90x = 63,534,556,574.87
  5. Step 5: Solve for x
    x = 63,534,556,574.87/255,051.90
  6. Step 6: Final answer
    x = 249,104.42

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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.