Home / 255,366.05-382,782.97-142,881.35

Finding the Fourth Proportional to 255,366.05, 382,782.97 and 142,881.35

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Solution

The fourth proportional to 255,366.05, 382,782.97 and 142,881.35 is: 214,173.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,366.05 : 382,782.97 = 142,881.35 : x
  2. Step 2: Convert to fraction form
    255,366.05/382,782.97 = 142,881.35/x
  3. Step 3: Cross multiply
    255,366.05x = 382,782.97 × 142,881.35
  4. Step 4: Simplify right side
    255,366.05x = 54,692,547,510.61
  5. Step 5: Solve for x
    x = 54,692,547,510.61/255,366.05
  6. Step 6: Final answer
    x = 214,173.14

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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.