Home / 255,444.48-352,513.36-142,267.20

Finding the Fourth Proportional to 255,444.48, 352,513.36 and 142,267.20

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Solution

The fourth proportional to 255,444.48, 352,513.36 and 142,267.20 is: 196,328.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,444.48 : 352,513.36 = 142,267.20 : x
  2. Step 2: Convert to fraction form
    255,444.48/352,513.36 = 142,267.20/x
  3. Step 3: Cross multiply
    255,444.48x = 352,513.36 × 142,267.20
  4. Step 4: Simplify right side
    255,444.48x = 50,151,088,689.79
  5. Step 5: Solve for x
    x = 50,151,088,689.79/255,444.48
  6. Step 6: Final answer
    x = 196,328.72

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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.