Home / 255,207.40-352,182.74-142,030.16

Finding the Fourth Proportional to 255,207.40, 352,182.74 and 142,030.16

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Solution

The fourth proportional to 255,207.40, 352,182.74 and 142,030.16 is: 195,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,207.40 : 352,182.74 = 142,030.16 : x
  2. Step 2: Convert to fraction form
    255,207.40/352,182.74 = 142,030.16/x
  3. Step 3: Cross multiply
    255,207.40x = 352,182.74 × 142,030.16
  4. Step 4: Simplify right side
    255,207.40x = 50,020,570,911.44
  5. Step 5: Solve for x
    x = 50,020,570,911.44/255,207.40
  6. Step 6: Final answer
    x = 195,999.69

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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.